This delicious Raspberry Crumble is a perfect blend of sweet, tart berries and a buttery, crumbly topping that will have your taste buds dancing. The vibrant raspberries are baked until bubbly and tender, then topped with a golden, crunchy oat mixture that adds just the right amount of texture. Ideal for dessert or a sweet breakfast treat, this crumble is easy to make and is sure to impress your family and friends. It’s best served warm, perhaps with a scoop of vanilla ice cream or a dollop of whipped cream, making it a delightful way to celebrate the berry season or enjoy any time of year.

What is Raspberry Crumble?
The humble fruit crumble is a total classic for a reason! Originating in Britain during World War II when rationing made pie crusts difficult to manage, the crumble quickly became the ultimate cozy dessert. It’s simply a base of stewed fruit blanketed by a delicious, streusel-like topping made from flour, butter, and sugar. Its enduring popularity comes from the amazing contrast of textures: the warm, soft, and slightly tart fruit against the crisp, buttery, golden crumbs. It’s effortless comfort food, perfect for any season! Raspberry crumble is simply a classic crumble that is made with raspberries.

How to Make Raspberry Crumble
Making a gorgeous raspberry crumble is a surprisingly straightforward two-step process that guarantees perfection every time. We start with the glorious fruit base. Whether you use fresh raspberries or frozen ones (no need to thaw!), toss them gently with a little sugar—since raspberries are quite tart, you can adjust the sweetness to your liking. The crucial addition here is a spoonful of cornstarch or flour. This starchy helper ensures the raspberries cook down into a thick, glossy filling, preventing a watery mess at the bottom of your dish.
We actually recommend cooking this fruit mixture gently on the stovetop for about five minutes first. This pre-cooking step activates the cornstarch and guarantees a beautiful, gooey texture. Once the fruit is warm and thickened, pour it directly into your baking dish.

The second step is the easiest! Take your prepared buttery crumble topping (which we’ve loaded with oats and brown sugar for extra crunch!) and scatter it generously and evenly over the top of the fruit base. Don’t press it down—you want those airy peaks. Pop the dish into the oven and bake until the topping is a deep golden brown and you can see the bright red raspberry juice bubbling happily around the edges.
Serving and Storage
Raspberry crumble is best served warm but can also be enjoyed at room temperature. If you have leftovers, store them in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave before serving for the best flavor and texture.
Freezing: This crumble can be frozen before baking. Just assemble it, cover tightly, and freeze for up to 3 months. When ready to bake, there’s no need to thaw; just add a few extra minutes to the baking time.
Variations on Raspberry Crumble
While raspberries work wonderfully, you can substitute them with other berries such as blueberries, strawberries, or blackberries, or mix a combination of your favorites. Part of the delight of crumbles is that they are so versatile. Depending on the tartness of your berries – and how much of a sweet tooth you have! – you may also want to adjust the amount of sugar in both the filling and the topping.
This crumble is delicious on its own but is even better with a scoop of vanilla ice cream, a dollop of whipped cream, or a splash of heavy cream. For a nutty crunch, you can also add chopped nuts like almonds or pecans to the crumble topping for an extra layer of flavor and crunch.

And More…
Looking for more raspberry recipes? I’ve got a few!
- Raspberry Cobbler
- Peanut Butter Raspberry Smoothie
- Raspberry Tiramisu
- Raspberry Blueberry Crumb Cake
Conclusion
Seriously, can you think of a cozier dessert? My raspberry crumble is the perfect answer to a cold evening, a holiday gathering, or just a simple Sunday treat. Serve it warm with a generous pour of vanilla custard, or a scoop of cold ice cream for the ultimate texture contrast. It’s easy, comforting, and absolutely bursting with bright berry flavor. Give this simple recipe a try this week—you won’t regret it.

Ingredients
For the Filling:
- 3 cups fresh or frozen raspberries
- ¼ cup granulated sugar
- 1 tablespoon cornstarch
- 1 tablespoon lemon juice
- ½ teaspoon vanilla extract
For the Crumble Topping:
- 1 cup rolled oats
- ½ cup all-purpose flour
- ½ cup coconut sugar
- ½ teaspoon cinnamon
- ¼ teaspoon salt
- ½ cup unsalted butter
Instructions
Prepare the Filling:
- Mix the raspberries with the granulated sugar, cornstarch, lemon juice, and vanilla extract until well combined. Cook for about 3-4 minutes or until the sauce is thickened.
- Pour the raspberry mixture into a baking dish.
Make the Crumble Topping:
- Mix the rolled oats, flour, brown sugar, cinnamon, and salt in a separate bowl.
- Pour the melted butter over the dry ingredients and mix until the mixture is crumbly and well combined.
Assemble the Crumble:
- Evenly distribute the crumble topping over the raspberry filling in the baking dish.
Bake:
- Bake in the preheated oven at 350°F(175°C) for 30-35 minutes, or until the topping is golden brown and the filling is bubbling around the edges.
Cool and Serve:
- Allow the crumble to cool for about 10 minutes before serving. Enjoy warm with ice cream or whipped cream!

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