This stunning summer fruit crumble has it all! Bursting with fresh blueberries and peaches and covered with an amazing buttery oatmeal crumble.—A big scoop of vanilla ice cream on top is necessary!

The Ultimate Summer Peach Blueberry Oatmeal Crumble
As the vibrant days of summer begin to gently fade, there’s an undeniable urge to capture every last drop of seasonal goodness. For many, that means indulging in the abundant bounty of fresh produce that makes this time of year so special. And when it comes to desserts, nothing quite embodies the warmth, simplicity, and pure joy of summer like a bubbling, golden fruit crumble. If you’re anything like me, you’re in that frantic mode right now – the “oh-my-gosh-summer’s-almost-over-and-I’ve-gotta-squeeze-ALL-the-peaches-and-blueberries-and-such-into-everything-while-I-still-can!” phase.
This irresistible Peach Blueberry Oatmeal Crumble is the answer to those late-summer cravings. It’s a delightful blend of sweet, juicy peaches and plump, tangy blueberries, crowned with an incredible, buttery, oat-filled crumble topping. A classic dessert, reimagined for peak summer flavor, it promises to be the highlight of any gathering or a perfect treat for a cozy evening.

Why This Peach Blueberry Crumble Shines
Let’s be honest, sometimes life gets in the way, and even the most enthusiastic bakers miss out on sharing a favorite seasonal recipe. If I’ve been guilty of anything this summer, it’s not having shared a single pie, crisp, or crumble until now. But fear not, because this Peach Blueberry Oatmeal Crumble is my peace offering, and it’s truly worth the wait. It’s a dessert so good, I might have accidentally eaten it all yesterday! (No regrets, just an excuse to make another batch.)
Friends and fellow fruit-lovers, prepare to meet your new summer obsession. This crumble is packed with the essence of sunshine: sweet summer peaches and an explosion of blueberries. Every spoonful delivers a harmonious blend of fruit, complemented by a generous layer of buttery oat crumble. It’s baked to perfection until the fruit filling is warm, gooey, and absolutely dreamy, while the topping achieves a golden, crunchy texture. And, of course, no fruit crumble is complete without multiple scoops of creamy vanilla ice cream, melting deliciously into the warm fruit. Prepare to eat until your fruit-craving belly can handle no more—though, for me, that’s never.

The Simplicity of a Perfect Summer Dessert
One of the best things about this peach blueberry oatmeal crumble is how incredibly easy it is to prepare. Forget complicated pie crusts or intricate decorations; this rustic dessert comes together with minimal fuss, making it perfect for both novice and experienced bakers alike. As far as summertime desserts go, this one is a true winner for its straightforward approach and spectacular results. Let’s break down the components:
The Vibrant Fruit Filling
The heart of this crumble is a simple yet flavorful fruit filling. It starts with fresh, ripe peaches, peeled and sliced to release their sweet nectar as they bake. These are then combined with a generous helping of fresh blueberries, which add a delightful tang and beautiful color contrast. A hint of lemon zest and a squeeze of lemon juice brighten the flavors, cutting through the sweetness and adding a wonderful aromatic note. Coconut sugar provides a natural sweetness, while a touch of flour acts as a thickening agent, ensuring your filling is perfectly gooey and not too watery. The natural sweetness of the fruit shines through, making every bite a burst of summer.
The Irresistible Buttery Oatmeal Topping
What sets a crumble apart is its crunchy, golden topping, and this one is truly exceptional. It’s a robust mixture of flour, old-fashioned rolled oats for a hearty texture, and chopped pecans for an added nutty crunch. More coconut sugar sweetens the topping, while ground cinnamon adds a warm, inviting spice that perfectly complements the fruit. A pinch of salt balances the flavors, and a splash of vanilla extract infuses a rich aroma. But the star ingredient, the key to any truly kickin’-good crumble topping, is cold, cubed butter. Cut into the dry ingredients, the butter creates those delightful pea-sized clumps that crisp up beautifully in the oven, forming a golden, crumbly crust. As the old saying goes, butter really is the answer to everything, especially when it comes to creating that perfect crumbly texture.

Baking to Golden Perfection and Serving Secrets
Once your fruit filling and crumble topping are prepared, it’s simply a matter of assembly and baking. The combined ingredients are baked until the fruit filling is gloriously bubbly around the edges, and the oatmeal topping is a beautiful golden brown. The aroma that fills your kitchen during this process is simply divine, a true testament to the magic happening in your oven. After baking, a crucial step is to let it cool for about 15 minutes. This allows the fruit juices to set slightly and the topping to firm up. But don’t let it cool completely!
I insist that you dig into this crumble while it’s still gloriously warm. And here’s the most important secret: it absolutely MUST be served with a generous scoop (or three) of premium vanilla ice cream. The contrast between the warm, sweet-tart fruit and the cold, creamy ice cream is simply out of this world. The melting ice cream creates a luscious sauce that intertwines with the fruit and crumble, elevating every bite to pure bliss. It’s truly the only way to experience this summer dessert in its full glory. How could you possibly go wrong with fruit, crumble, and ice cream?

Tips for Success and Delicious Variations
To ensure your peach blueberry oatmeal crumble is a triumph every time, here are a few extra tips. Firstly, always use ripe, fresh fruit when possible. The quality of your fruit will significantly impact the flavor of the final dish. When peeling peaches, a quick blanch in boiling water for 30 seconds followed by an ice bath makes the skin easy to remove. If you prefer, you can leave the skin on for added texture and nutrients.
For the crumble topping, make sure your butter is truly cold. This helps create distinct clumps, leading to a crispier topping. Don’t overmix the crumble; you want a rustic, varied texture. If you don’t have coconut sugar, regular brown sugar or granulated sugar will work just fine. Feel free to experiment with other nuts like walnuts or almonds in the topping for a different flavor profile.
Serving Suggestions & Storage
While vanilla ice cream is my non-negotiable accompaniment, don’t hesitate to try other pairings. A dollop of freshly whipped cream, a drizzle of warm caramel sauce, or even a scoop of peach or cinnamon ice cream would be equally delightful. For an extra touch, a light dusting of powdered sugar just before serving adds a beautiful finish.
Leftovers (if there are any!) can be stored in an airtight container in the refrigerator for up to 3-4 days. Reheat gently in the oven or microwave until warm. The crumble might lose a bit of its crispness, but the flavors will still be incredible.
Seasonal Adaptations
This recipe is wonderfully adaptable. While peaches and blueberries are a match made in summer heaven, you can easily swap in other fruits depending on the season. Apples and pears make for a fantastic fall crumble, while mixed berries (strawberries, raspberries, blackberries) would create a vibrant spring version. Adjust the sugar content slightly based on the sweetness of your chosen fruits. The fundamental buttery oat crumble topping remains versatile and delicious with almost any fruit combination.

Don’t Skip the Ice Cream!
Seriously, I cannot stress this enough: do not, under any circumstances, consider skipping the ice cream. It’s the crowning glory of this dessert, transforming it from merely delicious to utterly divine. As far as I’m concerned, all things should be served à la mode, except perhaps pizza! The warm, fruity crumble paired with the cool, creamy ice cream is a textural and temperature contrast that is pure culinary genius. You’d have to be completely nuts not to want to faceplant into a ginormous bowl of this fruity summer heaven. So go ahead, treat yourself – you deserve it!

I’m here to tell you to do it, do it, do IT! Make this Peach Blueberry Oatmeal Crumble today and savor the last glorious flavors of summer. It’s an easy, comforting, and undeniably delicious dessert that will quickly become a cherished favorite.

Peach Blueberry Oatmeal Crumble
This stunning summer fruit crumble has it all! Bursting with fresh blueberries and peaches and covered with an amazing buttery oatmeal crumble. A big scoop of vanilla ice cream on top is necessary!
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Prep Time: 10 minutes
Cook Time: 35 minutes
Total Time: 45 minutes
Servings: 4-6 servings
Ingredients
- FRUIT FILLING:
- 4 cups fresh sliced peaches
- 1-1/2 cups fresh blueberries
- 1 teaspoon grated lemon zest
- 1 tablespoon lemon juice
- 1/2 cup coconut sugar
- 1/4 cup white whole wheat flour
- CRUMBLE TOPPING:
- 3/4 cup white whole wheat flour
- 3/4 cup old-fashioned rolled oats
- 1/2 cup coconut sugar (or brown sugar)
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon salt
- 1/4 cup chopped pecans
- 1 teaspoon vanilla extract
- 1/2 cup cold butter, cubed
- Vanilla ice cream for serving (optional, but highly recommended!)
Instructions
- Make the filling: Preheat oven to 350°F (175°C). In a large bowl, combine all filling ingredients until thoroughly mixed. Spread evenly in the bottom of an 8-inch square baking pan (or a 9-inch round pie plate). Set aside while you prepare the topping.
- Make the topping: In another large bowl, combine flour, oats, sugar, cinnamon, salt, pecans, and vanilla extract. Cut in the cold butter using a pastry cutter (or two forks) until the mixture is crumbly and forms pea-sized clumps. Sprinkle this topping evenly over the prepared fruit filling.
- Bake: Bake the fruit crumble at 350°F (175°C) for 35-40 minutes, or until the topping is golden brown and the fruit filling is bubbly around the edges. Let cool on a wire cooling rack for 15 minutes before serving. Enjoy warm with generous scoops of vanilla ice cream!
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More Fruity Summer Sweets to Enjoy
Looking for more ways to enjoy the sweet flavors of summer? Discover these other delightful recipes:
Strawberry Swirl Chocolate Chip Ice Cream

Summer Peach Upside-Down Coffee Cake