
Why make this recipe
Blueberry crumble is a delightful dessert that brings together the sweet and tart flavors of fresh blueberries with a crunchy, crumbly topping. It’s simple to make and perfect for any occasion, be it a family gathering or a cozy night at home. The best part is that it requires few ingredients and minimal prep time, making it an ideal choice for both beginner and experienced bakers.
How to make Blueberry Crumble
Ingredients
- 2 cups fresh blueberries
- 1 cup rolled oats
- 1/2 cup melted butter
- 1/4 cup brown sugar (optional)
- 1 teaspoon cinnamon
- 1 tablespoon lemon juice
- 1 cup flour (optional for a thicker topping)
Directions
- Preheat the oven to 350°F (175°C).
- In a bowl, combine blueberries, lemon juice, and brown sugar (if using) and pour into a baking dish.
- In another bowl, mix oats, flour (if using), cinnamon, and melted butter until crumbly.
- Sprinkle the oat mixture over the blueberries.
- Bake for about 25-30 minutes or until the topping is golden brown and the blueberries are bubbly.
- Serve warm with ice cream.
How to serve Blueberry Crumble
Blueberry crumble is best served warm. It pairs wonderfully with a scoop of vanilla ice cream or a dollop of whipped cream. You can also enjoy it on its own or with a sprinkle of powdered sugar for added sweetness.

How to store Blueberry Crumble
To store leftover blueberry crumble, place it in an airtight container and store it in the refrigerator. It will stay fresh for up to three days. If you want to keep it longer, you can freeze it. Just wrap it tightly in plastic wrap and aluminum foil, and it can last for a couple of months in the freezer.
Tips to make Blueberry Crumble
- Use fresh blueberries for the best flavor, but frozen ones can also work if fresh are unavailable.
- If you prefer a sweeter topping, adjust the amount of brown sugar in the crumble topping to your taste.
- For extra crunch, add nuts like walnuts or pecans to the oat mixture.
Variation
Feel free to add other fruits to the crumble, such as raspberries or blackberries, for a mixed berry crumble. You can also experiment with different spices, like nutmeg, for a unique twist.
FAQs
Can I use frozen blueberries for this recipe?
Yes, frozen blueberries can be used. Just let them thaw slightly before mixing them with lemon juice and sugar.
Can I make Blueberry Crumble ahead of time?
Yes, you can prepare the crumble ahead and keep it covered in the refrigerator. Bake it just before serving for the best taste and texture.
Is it possible to make a gluten-free version?
Yes! You can substitute regular flour with gluten-free flour and ensure your oats are certified gluten-free for a tasty gluten-free blueberry crumble.

Blueberry Crumble
Ingredients
For the filling
- 2 cups fresh blueberries Use fresh for best flavor.
- 1 tablespoon lemon juice Adds brightness to the blueberries.
- 1/4 cup brown sugar Optional, adjust based on sweetness preference.
For the topping
- 1 cup rolled oats
- 1 cup flour Optional for thicker topping.
- 1/2 cup melted butter
- 1 teaspoon cinnamon
Instructions
Preparation
- Preheat the oven to 350°F (175°C).
- In a bowl, combine blueberries, lemon juice, and brown sugar (if using) and pour into a baking dish.
Making the topping
- In another bowl, mix oats, flour (if using), cinnamon, and melted butter until crumbly.
- Sprinkle the oat mixture over the blueberries.
Baking
- Bake for about 25-30 minutes or until the topping is golden brown and the blueberries are bubbly.
