Blueberry Crumble Recipe
This blueberry crumble is the easiest fruit dessert you will ever bake: juicy blueberries bubbling under a golden, buttery oat topping. It needs no pie crust, no special skill, and it is at its best warm from the oven with a scoop of vanilla ice cream.
DessertsThis Blueberry Crumble Recipe is the fruit dessert that proves simple is best. Plump blueberries, tossed with a little sugar and lemon, bubble up under a golden oat topping that bakes crisp and buttery. There is no pie crust to roll, no fancy technique to learn, and the whole thing comes together in one bowl before it goes into the oven.
For more holiday favourites, try our Apple Crisp, our Classic Pecan Pie and our Spiced Pear Crisp.
What Makes This Blueberry Crumble So Good
The magic is in the contrast. Underneath, the blueberries soften into a jammy, syrupy filling that is sweet with a bright edge of lemon. On top, the crumble bakes into golden clusters that stay crisp even as the fruit bubbles around them, and every spoonful gives you both textures at once.
It is also one of the most forgiving desserts you can bake. Fresh or frozen berries both work, the topping comes together in minutes, and a little extra baking time only makes the fruit softer and the topping more golden. For a cook who wants a homemade dessert without the stress, that kind of reliability is worth its weight in gold.
The Key Ingredients
A short list of pantry staples is all this classic needs.
The Blueberries
Fresh blueberries are best when they are in season, but frozen berries work beautifully all year. Do not thaw frozen berries first, because they release too much juice; just toss them straight into the dish with a little extra cornstarch.
The Lemon and Sugar
A spoonful of lemon juice and a little zest brighten the berries and keep the filling from tasting flat. Granulated sugar sweetens the fruit, while a touch of cornstarch thickens the juices into a glossy sauce as it bakes.
The Oat Topping
Rolled oats, flour, brown sugar, cinnamon, and cold butter rub together into a crumbly topping that bakes into crisp golden clusters. A pinch of salt keeps the sweetness in balance, and chopped pecans add extra crunch if you like.
How to Make Blueberry Crumble
The method is simple: toss, top, and bake.
- Heat the oven: preheat to 375 degrees and butter a 9 inch baking dish.
- Toss the berries: mix the blueberries with sugar, cornstarch, lemon juice, and zest.
- Make the topping: rub the oats, flour, brown sugar, cinnamon, salt, and butter into crumbs.
- Assemble the dish: spread the berries in the dish and scatter the topping evenly over them.
- Bake until bubbly: bake 35 to 40 minutes until the topping is golden and the fruit bubbles at the edges.
- Rest and serve: let stand 10 minutes, then serve warm with ice cream or cream.
Mistakes to Avoid
A Runny Filling
Too little thickener leaves the fruit swimming in juice. Use the full amount of cornstarch, and let the crumble rest for ten minutes after baking so the filling sets before serving.
A Soggy Topping
Overworking the topping melts the butter and turns the crumbs into paste. Rub the butter in with your fingertips only until pea size crumbs form, and keep some larger pieces for crunch.
Burning the Edges
The topping can brown faster than the fruit cooks. If the top looks done before the berries bubble, cover the dish loosely with foil for the last ten minutes.
What to Serve with Blueberry Crumble
This is a cozy fruit dessert, and it loves simple pairings:
- Vanilla ice cream, the classic pairing
- Freshly whipped cream, for a lighter finish
- Warm custard, for a comforting British style serve
- Greek yogurt, for a lighter breakfast style bowl
Make It Your Own
The recipe welcomes tweaks. Mix in raspberries or blackberries for a mixed berry crumble, or add a spoonful of almond extract to the fruit for a warm, nutty note. A handful of chopped pecans or walnuts in the topping adds crunch, and a little orange zest in place of lemon gives a softer citrus flavor. For a gluten free version, use certified gluten free oats and a one to one gluten free flour blend.
Make This Blueberry Crumble Today
Juicy, golden, and bubbling from the oven, this is the fruit dessert your table has been missing. Toss the berries and bake it tonight. Browse more of our Desserts recipes for more fruit bakes.
Recipe card
Blueberry Crumble Recipe
- Prep
- 15 mins
- Cook
- 40 mins
- Total
- 55 mins
- Serves
- 8
- Course
- Dessert
- Cuisine
- American
- Calories
- 310 kcal
Ingredients
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Equipment
- 9 inch baking dish
- mixing bowls
Method
Tap a step when it’s done.
Nutrition
310 kcal
Calories
4 g
Protein
52 g
Carbohydrates
11 g
Fat
5 g
Fiber
95 mg
Sodium
* Values are estimates.
Notes
- Use the full amount of cornstarch so the filling thickens into a glossy sauce.
- Do not thaw frozen berries first; toss them in frozen with an extra teaspoon of cornstarch.
- Keep some larger crumbs in the topping for the best crunch.
- Cover loosely with foil if the top browns before the fruit bubbles.
- Let the crumble rest 10 minutes so the filling sets before serving.
- Leftovers reheat well in the oven at 350 degrees for about 12 minutes.
Tips for success
- Add a pinch of nutmeg to the topping for extra warmth.
- A spoonful of almond extract in the fruit adds a lovely nutty note.
- Mix in raspberries for a mixed berry crumble.
- Use cold butter straight from the fridge for the crispest topping.
- Serve warm with vanilla ice cream for the classic pairing.
- For individual servings, bake in ramekins for 25 to 30 minutes.



