Summer fruit desserts have a special kind of magic, and this blueberry peach crumble recipe captures it perfectly. Juicy, sun-ripened peaches and plump blueberries bubble together beneath a golden, buttery oat topping that crisps up beautifully in the oven.
The contrast between the jammy, fragrant fruit layer and the crunchy, brown-sugar crumble is what makes this dessert so irresistible. It’s the kind of recipe you’ll come back to all season long.
What makes this version stand out is the balance of flavors. Peaches bring a floral sweetness, blueberries add a bright, slightly tart pop, and a touch of lemon zest and cinnamon ties everything together without overpowering the fruit.
Best of all, it comes together in under an hour with simple pantry staples. No special equipment, no fussy techniques, and absolutely zero complaints from anyone at the table.
You might also enjoy: Blueberry Peach Crisp Recipe

Why You’ll Love This Blueberry Peach Crumble Recipe
This is the kind of dessert that impresses without requiring professional baking skills. The ingredient list is short, the steps are simple, and the result looks like you spent hours in the kitchen.
The fruit filling is naturally sweet, which means you won’t need a heavy hand with the sugar. Ripe summer peaches do most of the flavor work on their own.
The oat crumble topping is buttery, chewy, and golden, with just the right amount of crunch from the rolled oats. It bakes up with those irresistible craggy clusters that everyone fights over.
It’s endlessly flexible. You can use fresh or frozen fruit, swap in different spices, or add a handful of chopped nuts to the topping without altering the outcome.
This recipe is also a crowd-pleaser across all ages. Kids love the sweet fruit, adults love the buttery crumble, and everyone loves the scoop of vanilla ice cream on top.
- Works with fresh or frozen peaches and blueberries, making it a year-round dessert option
- Comes together in about 15 minutes of active prep time
- Uses pantry staples you likely already have on hand
- Easily doubled for larger gatherings or potluck events
- Can be made ahead and reheated without losing its texture
For another peach-forward dessert you’ll love, check out the Peach Crumble for a classic single-fruit version.
Ingredients
This recipe uses two layers: a fresh fruit filling and a buttery oat crumble. Each component uses straightforward ingredients, but the quality of your peaches will have the biggest impact on the final flavor, so choose ripe, fragrant ones when possible.
For the Fruit Filling:
- 4 large ripe peaches (about 4 cups / 600g), peeled and sliced into 1/2-inch wedges
- 1 1/2 cups (220g) fresh or frozen blueberries
- 3 tablespoons granulated sugar (adjust based on sweetness of fruit)
- 1 tablespoon fresh lemon juice
- 1 teaspoon lemon zest
- 1 tablespoon cornstarch
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon pure vanilla extract
For the Oat Crumble Topping:
- 1 cup (90g) old-fashioned rolled oats
- 3/4 cup (95g) all-purpose flour
- 2/3 cup (135g) packed light brown sugar
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon fine sea salt
- 1/2 cup (115g / 1 stick) unsalted butter, cold and cubed into small pieces
Read Also: Peach Crisp with Frozen Peaches
Kitchen Equipment Needed
You don’t need anything fancy to make this crumble. A basic 9×13-inch (23x33cm) baking dish or a 9-inch (23cm) square dish works perfectly. Here’s everything you’ll want on hand:
- 9×13-inch ceramic or glass baking dish
- Large mixing bowls (2, one for the filling and one for the topping)
- Pastry cutter or fork for cutting butter into the crumble
- Rubber spatula or wooden spoon
- Microplane or citrus zester for the lemon zest
- Cutting board and sharp knife for slicing the peaches
- Measuring cups and spoons
- Oven mitts
- Cooling rack
Read Also: Peach Crisp With Canned Peaches
Recommended Products for This Recipe
These are products I genuinely recommend based on quality and performance. They’ll make this crumble easier to pull off and give you the best possible results.
1. Le Creuset Enameled Stoneware Baking Dish
A quality baking dish makes a real difference with crumbles. The Le Creuset stoneware distributes heat evenly so your fruit filling bubbles and thickens without scorching at the edges. The smooth glazed interior also releases baked-on fruit effortlessly, and it goes straight from oven to table beautifully.
2. Bob’s Red Mill Organic Old Fashioned Rolled Oats
The type of oats you use directly affects the texture of your crumble topping. Bob’s Red Mill’s thick-cut rolled oats create those satisfying chewy-crunchy clusters that make crumble so addictive. Instant oats go mushy, so thick rolled oats are always the better call here.
3. OXO Good Grips Pastry Blender
Working cold butter into the crumble by hand is possible but a good pastry blender does it faster and more evenly. The OXO version has comfortable grips and sturdy blades that cut through firm butter without bending. It gives you perfect, pea-sized butter pieces that melt during baking and create that flaky, layered crumble texture.
4. Microplane Premium Classic Zester
Lemon zest is a key flavor brightener in this recipe, and a Microplane makes zesting effortless. It produces fine, fluffy zest with no bitter white pith, and you’ll be amazed how much flavor such a small amount adds to the fruit filling.
5. Nielsen-Massey Pure Vanilla Extract
A touch of vanilla in the fruit filling ties the peach and blueberry flavors together and adds a warm, bakery-style depth. Nielsen-Massey is the gold standard for pure vanilla extract with rich, complex flavor that doesn’t bake off the way imitation vanilla does.
This crumble also pairs beautifully with recipes that use similar summer stone fruit. If you love peach desserts, the Peach Crisp is another must-try that’s just as simple to make.

Step-by-Step Instructions
1. Preheat the Oven and Prepare Your Baking Dish
- Set your oven to 350°F (175°C) and allow it to fully preheat before baking. A properly preheated oven ensures even heat from the start, which helps the topping crisp up without burning.
- Lightly grease your baking dish with a thin layer of butter or non-stick cooking spray. This prevents the fruit filling from sticking to the sides and makes serving easier.
- Place the baking dish on a rimmed baking sheet. As the fruit bubbles in the oven, it can sometimes spill over, and the baking sheet will catch any drips and keep your oven clean.
2. Peel and Slice the Peaches
- Bring a medium pot of water to a boil. Score a small “X” on the bottom of each peach with a sharp knife. This small cut makes the skin slip off easily after blanching.
- Carefully lower the peaches into the boiling water using a slotted spoon and let them sit for 30 to 60 seconds. You’ll see the skin start to pull back slightly around the scored area.
- Transfer the peaches immediately to a bowl of ice water and let them cool for about 2 minutes. The cold stops the cooking process and makes the peaches easy to handle.
- Once cooled, peel the skins off with your fingers. They should slide right off. If a peach is very ripe, you may not even need to blanch it; the skin will come off easily with a vegetable peeler.
- Slice each peach in half, remove the pit, then cut each half into 1/2-inch (1.25cm) wedges. Uniform slices ensure even cooking in the oven.
3. Make the Fruit Filling
- Add your sliced peaches and blueberries to a large mixing bowl.
- Sprinkle over the 3 tablespoons of granulated sugar. If your peaches are very sweet and ripe, you can reduce this to 2 tablespoons. If they’re slightly underripe or tart, keep the full amount.
- Add the cornstarch. This is the key ingredient that thickens the fruit juices as they cook, so you end up with a jammy, glossy filling rather than a watery one. Stir it in well so there are no lumps.
- Add the lemon juice, lemon zest, cinnamon, and vanilla extract. The lemon brightens the fruit flavors and keeps the peaches from tasting flat. The cinnamon adds warmth without competing with the fruit.
- Gently toss everything together with a rubber spatula until the fruit is evenly coated. Be careful not to break up the blueberries or mash the peaches, just fold them gently.
- Pour the filling into your prepared baking dish and spread it into an even layer. Make sure the peaches and blueberries are distributed throughout so every bite has both fruits.
4. Make the Oat Crumble Topping
- In a separate large mixing bowl, combine the rolled oats, all-purpose flour, light brown sugar, cinnamon, and sea salt. Whisk or stir them together briefly so the ingredients are evenly mixed.
- Add the cold, cubed butter to the dry mixture. It is essential that the butter is cold, not softened. Cold butter stays in small chunks as it bakes, and those chunks create the crumble’s signature texture of crispy edges with slightly chewy centers.
- Use a pastry cutter, two forks, or your fingertips to work the butter into the dry ingredients. Press and cut until the mixture resembles coarse, damp crumbs with some pieces about the size of a pea and others slightly larger. The mixture should clump together when you squeeze a handful.
- Do not overmix. Once the butter is incorporated and the mixture is crumbly, stop. Overworking the topping can make it dense rather than light and crunchy.
5. Assemble and Bake the Crumble
- Scatter the crumble topping evenly over the fruit filling in the baking dish. Use your hands to break up any very large chunks and distribute the topping all the way to the edges of the dish.
- Do not press the topping down. You want loose, irregular crumbles sitting on top of the fruit, not a compressed layer. The looser the topping, the crispier and more textured it will bake.
- Slide the baking dish (on the rimmed baking sheet) into the preheated oven.
- Bake for 40 to 45 minutes, until the topping is deeply golden brown and the fruit filling is bubbling vigorously around the edges and through the topping. The bubbling is your cue that the filling has thickened properly.
- If the topping is browning too quickly before the fruit is fully bubbling, tent loosely with foil and continue baking.
- Remove from the oven and place on a cooling rack. Allow the crumble to rest for at least 15 minutes before serving. This resting time allows the filling to set up slightly so it doesn’t run everywhere when you spoon it out.
For another delicious summer cobbler-style dessert with similar fruit, try the Peach Cobbler for a biscuit-topped variation.
Tips for Success
Getting a crumble right is mostly about respecting a few key principles. Keep these in mind and you’ll get perfect results every time.
- Use cold butter for the crumble. Warm or softened butter will melt into the oat mixture and create a greasy, dense topping instead of the light, crispy clusters you want. If your kitchen is warm, pop the cubed butter in the freezer for 10 minutes before using it.
- Don’t skip the cornstarch. Peaches release a surprising amount of juice as they bake, and without a thickener, your filling will be soupy. One tablespoon of cornstarch is enough to create a beautifully glossy, jammy texture.
- Taste the fruit before sweetening. Summer peaches vary enormously in sweetness. Always taste a slice before adding sugar and adjust accordingly.
- Ripe fruit makes all the difference. Underripe peaches will stay firm and lack flavor even after baking. Look for peaches that give slightly when pressed near the stem and smell fragrant.
- Let it rest after baking. Pulling the crumble straight from the oven and serving immediately means the filling will be very runny. A 15-minute rest allows it to thicken and set.
Read Also: Peach Crumble Pie Recipe
Serving Suggestions

This blueberry peach crumble is delicious on its own, but the right accompaniment takes it to another level entirely. The warmth of the crumble and the cold, creamy contrast of ice cream or whipped cream is one of the best combinations in summer desserts.
Serve it slightly warm, about 15 to 20 minutes out of the oven, for the best texture. At that temperature the filling is thick and jammy, and the crumble topping is at its crunchiest.
- A scoop of good-quality vanilla ice cream served directly on top of the warm crumble (it melts into the filling as you eat, which is incredible)
- Freshly whipped cream with a pinch of cinnamon stirred in
- A drizzle of caramel sauce over the top for an extra layer of richness
- A dollop of Greek yogurt for a less sweet, more tangy pairing that works beautifully at brunch
- A small scoop of lemon sorbet alongside for a refreshing contrast to the warm, buttery crumble
- A dusting of powdered sugar just before serving for a simple, pretty presentation
For a fruity dessert that pairs well as part of a spread, a fresh Fruit Tart makes a gorgeous companion on any summer dessert table.
Variations to Try
The basic blueberry peach crumble formula is flexible enough to adapt in many different directions. Here are some of the best variations worth trying once you’ve mastered the original.
Keep the general ratios the same and simply swap the ingredients listed below. Each variation will follow the same baking time and temperature.
- Peach and raspberry crumble: Replace the blueberries with fresh raspberries for a more intensely tart, jewel-colored filling.
- Nectarine and blueberry version: Swap peaches for nectarines, which you don’t need to peel, saving you a step.
- Add nuts to the topping: Stir 1/3 cup (35g) of chopped pecans or sliced almonds into the crumble for extra crunch and a nutty flavor.
- Ginger spice variation: Add 1/2 teaspoon of ground ginger to the fruit filling for a warm, slightly spicy counterpoint to the sweet fruit.
- Gluten-free version: Use certified gluten-free rolled oats and substitute the all-purpose flour with a 1:1 gluten-free flour blend. The texture is nearly identical.
- Vegan crumble: Replace the butter in the topping with solid coconut oil or a good vegan butter alternative, kept cold. The topping will still crisp up beautifully.
- Spiced brown butter crumble: Brown the butter slightly in a saucepan before chilling and cubing it. It adds a nutty, caramel-like depth to the topping.
Read Also: Easy Apple Crisp Recipe
Storage and Reheating
This crumble stores well and tastes nearly as good the next day, which makes it a great make-ahead option for gatherings or busy weeks.
Once fully cooled, cover the baking dish tightly with plastic wrap or transfer portions to an airtight container.
- Refrigerator: Store covered in the fridge for up to 4 days. The topping will soften slightly but will re-crisp when reheated.
- Freezer: You can freeze baked crumble for up to 2 months. Let it cool completely, then wrap tightly in plastic wrap followed by aluminum foil. Thaw overnight in the refrigerator before reheating.
- Reheating individual portions: Microwave on medium power for 1 to 2 minutes until warmed through. For a crispier topping, use the oven method instead.
- Reheating the full dish: Cover loosely with foil and warm in a 325°F (165°C) oven for 15 to 20 minutes. Remove the foil for the last 5 minutes to help re-crisp the topping.
- Make-ahead option: You can assemble the entire crumble up to 12 hours ahead, cover it unbaked, refrigerate it, and bake straight from the fridge. Add 5 to 10 minutes to the baking time.
For more fruit-forward desserts to add to your recipe rotation, the Peach Cobbler with Canned Peaches is an easy year-round option when fresh fruit isn’t available.
Nutritional Facts
The following estimates are based on one serving (approximately 1/8 of the crumble, made in a 9×13-inch dish) and will vary depending on the ripeness of your fruit, the exact size of your peaches, and any additions or substitutions.
| Nutrient | Per Serving (approx.) |
|---|---|
| Calories | 290 kcal |
| Total Fat | 12g |
| Saturated Fat | 7g |
| Cholesterol | 30mg |
| Sodium | 80mg |
| Total Carbohydrates | 44g |
| Dietary Fiber | 3g |
| Total Sugars | 27g |
| Protein | 3g |
| Vitamin C | 10% DV |
| Calcium | 3% DV |
| Iron | 6% DV |
These values are for informational purposes only. For precise nutritional data, enter your specific ingredient brands and amounts into a nutrition calculator.
Another peach dessert worth bookmarking: Bisquick Peach Cobbler comes together even faster with just a handful of pantry ingredients.
Health Benefits of Key Ingredients
This crumble isn’t just delicious, it’s packed with genuinely good-for-you ingredients. While it’s absolutely a dessert, the fruit and oat base bring real nutritional value to each serving.
Peaches, blueberries, and rolled oats each contribute meaningful nutrients that go well beyond simple sweetness.
- Peaches are an excellent source of vitamin C, potassium, and beta-carotene. They contain natural antioxidants called carotenoids that support skin health and immune function, and their high water content makes them naturally hydrating.
- Blueberries are one of the most antioxidant-rich fruits available, particularly high in anthocyanins, the compounds that give them their deep blue color and are associated with improved brain health, reduced inflammation, and better heart function.
- Rolled oats provide a meaningful amount of soluble fiber, specifically beta-glucan, which is clinically shown to help lower LDL cholesterol and support healthy blood sugar levels. They also provide lasting energy and contain more protein than most other grains.
- Lemon zest and juice contribute vitamin C and limonene, a compound found in citrus peel that has been studied for its antioxidant and anti-inflammatory properties.
- Cinnamon is more than just a flavoring agent. Even small amounts have been associated with improved insulin sensitivity and blood sugar regulation in several research studies.
For more ways to enjoy blueberries in baked goods, the Lemon Blueberry Bread is a fantastic option that highlights this fruit in a completely different format.
Frequently Asked Questions
1. Can I use frozen peaches and blueberries instead of fresh?
Yes, absolutely. Frozen fruit works beautifully in this crumble and is a great option outside of peak summer season. Do not thaw the fruit before using it. Add it directly to the filling mixture while still frozen, and increase the cornstarch by an extra half tablespoon to account for the extra moisture frozen fruit releases during baking. Expect the baking time to increase by about 5 to 10 minutes.
2. Why is my crumble topping soggy instead of crunchy?
A soggy topping is almost always caused by one of two things: butter that was too warm when you made the topping, or the crumble being underbaked. The butter needs to be cold and in visible chunks before it goes into the oven. Those cold butter pieces create steam pockets as they melt, which is what makes the topping light and crispy. Make sure you’re baking until the topping is deeply golden, not just lightly colored.
3. Can I make this crumble ahead of time?
Yes, in two ways. You can assemble the unbaked crumble, cover it tightly, and refrigerate for up to 12 hours before baking. Alternatively, bake it fully, let it cool, cover it, and refrigerate for up to 4 days. Reheat covered in a 325°F (165°C) oven for 15 to 20 minutes, then uncover for the last few minutes to re-crisp the topping.
4. Do I have to peel the peaches?
Peach skin is edible and perfectly safe to leave on. However, it does become slightly chewy after baking, and many people find the texture unpleasant in a crumble filling. If you’re using fresh, ripe peaches, the quick blanching method described in the instructions makes peeling very quick and easy. If you prefer to skip it, the crumble will still taste great, just with a slightly different texture.
5. How can I tell when the crumble is done baking?
Look for two signs: the topping should be evenly golden brown across the surface, and the fruit filling should be visibly bubbling at the edges and through any gaps in the topping. Active, bubbly filling means the cornstarch has been heated through and the filling has thickened. If the topping is golden but you don’t see bubbling yet, give it another 5 minutes and check again.
For another classic fruit crumble you can make any time of year, the Classic Apple Crisp follows a very similar method and is equally beginner-friendly.

Blueberry Peach Crumble
Equipment
- 9×13-inch ceramic or glass baking dish - or 9-inch square dish
- Large mixing bowls - 2, one for the filling and one for the topping
- Pastry cutter or fork - for cutting butter into the crumble
- Rubber spatula or wooden spoon
- Microplane or citrus zester - for the lemon zest
- Cutting board and sharp knife - for slicing the peaches
- Measuring cups and spoons
- Oven mitts
- Cooling rack
- Medium pot - for blanching peaches
- Bowl of Ice Water - for shocking peaches
- Slotted spoon - for transferring peaches
- Rimmed Baking Sheet - to catch any drips
Ingredients
For the Fruit Filling
- 4 ripe peaches - about 4 cups or 600g, peeled and sliced into 1/2-inch wedges
- 1 1/2 cups fresh or frozen blueberries - about 220g
- 3 tablespoons granulated sugar - adjust based on sweetness of fruit
- 1 tablespoon fresh lemon juice
- 1 teaspoon lemon zest
- 1 tablespoon cornstarch
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon pure vanilla extract
For the Oat Crumble Topping
- 1 cup old-fashioned rolled oats - about 90g
- 3/4 cup all-purpose flour - about 95g
- 2/3 cup packed light brown sugar - about 135g
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon fine sea salt
- 1/2 cup unsalted butter - 115g / 1 stick, cold and cubed into small pieces
For Serving (Optional)
- vanilla ice cream - for serving
- freshly whipped cream - for serving, with a pinch of cinnamon stirred in
- caramel sauce - for serving, optional
- Greek yogurt - for serving, optional
- powdered sugar - for dusting, optional
Instructions
- Preheat oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish with butter or cooking spray. Place the dish on a rimmed baking sheet to catch any drips.
- Bring a medium pot of water to a boil. Score an X on the bottom of each peach. Blanch for 30-60 seconds, then transfer to ice water for 2 minutes. Peel and slice into 1/2-inch wedges.
- In a large bowl, combine peaches, blueberries, sugar, lemon juice, lemon zest, cornstarch, cinnamon, and vanilla. Gently toss until evenly coated.
- Pour the fruit mixture into the prepared baking dish and spread into an even layer.
- In a separate bowl, combine oats, flour, brown sugar, cinnamon, and salt. Cut in the cold butter using a pastry cutter or fork until the mixture resembles coarse crumbs.
- Scatter the crumble topping evenly over the fruit filling. Do not press down; keep the topping loose for a crisp texture.
- Bake for 40-45 minutes, until the topping is golden brown and the fruit is bubbling vigorously around the edges. Tent with foil if topping browns too quickly.
- Remove from the oven and let rest for at least 15 minutes before serving. This allows the filling to set up slightly.
Notes
- Adjust sugar to taste: Taste your peaches before adding sugar. Very ripe, sweet peaches may only need 2 tablespoons of sugar, while underripe or tart ones might benefit from the full amount.
- Cold butter is essential: For the crispiest topping, make sure your butter is cold (straight from the fridge) when cutting it into the dry ingredients. Warm butter will create a dense, greasy crumble.
- Fruit substitutions: This crumble works beautifully with nectarines (no need to peel), raspberries instead of blueberries, or a mix of summer fruits like plums and blackberries.
- Using frozen fruit: Do not thaw frozen peaches or blueberries before using. Add 1/2 tablespoon extra cornstarch to the filling and expect the baking time to increase by 5-10 minutes.
- Make-ahead option: Assemble the unbaked crumble up to 12 hours ahead, cover, and refrigerate. Bake straight from the fridge, adding 5-10 minutes to the baking time.
- Storage: Store covered in the refrigerator for up to 4 days. Reheat individual portions in the microwave, or warm the whole dish in a 325°F oven for 15-20 minutes to re-crisp the topping.
- Freezing instructions: Freeze the baked and cooled crumble for up to 2 months. Wrap tightly in plastic wrap and foil. Thaw overnight in the refrigerator before reheating.
- Gluten-free version: Use certified gluten-free rolled oats and substitute the all-purpose flour with a 1:1 gluten-free flour blend. The texture will be nearly identical.
- Add nuts for crunch: Stir 1/3 cup (35g) of chopped pecans, sliced almonds, or walnuts into the crumble topping before baking for extra texture and a nutty flavor.
- Spiced variations: Try adding 1/2 teaspoon of ground ginger to the fruit filling for a warm, slightly spicy twist, or brown the butter before cubing it for a deep caramel flavor.
Final Thoughts
This blueberry peach crumble recipe is the kind of dessert that becomes a summer tradition. It celebrates two of the best fruits of the season, requires minimal effort, and delivers maximum reward.
Once you’ve made it, you’ll understand why crumbles and crisps have never gone out of style. There’s a genuinely comforting simplicity to a dish that relies entirely on good ingredients and smart technique.
Whether you serve it warm from the oven with a scoop of ice cream or enjoy leftovers cold from the fridge the next morning with coffee, this crumble delivers every single time.
Give it a try this season and let me know how it goes! Leave a comment below with any substitutions you tried, questions you have, or if this became your new go-to summer dessert.
Recommended:
- Peach Crisp Recipe
- Peach Cobbler Recipe
- Peach Crumble Pie Recipe
- Pear Cobbler Recipe
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- Blueberry Pie Recipe
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