This blackberry and apple crumble combines brown sugar and cinnamon–coated fruit with a buttery oat topping for a comforting, crowd-pleasing dessert. Serve warm with vanilla ice cream or whipped cream for a perfect finish.

Blackberry and apple crumble is an easy, cozy dessert that works any time of year. The mix of sweet apples and tart blackberries with a crisp, buttery oat topping is simple to prepare and always a hit.

Why you will love this
Sweet & tart — Apples and blackberries create a lovely balance of sweetness and bright tartness, enhanced by brown and granulated sugars.
Easy to make — Crumbles are forgiving: combine fruit, mix a simple topping, and bake. No rolling or blind-baking required.
Year-round dessert — Both apples and blackberries are widely available, so this recipe works any season.
Ingredient notes
- Flour — Substitute a gluten-free flour blend to make this gluten free.
- Oats — Old-fashioned oats give the best texture, but quick oats will work.
- Butter — Softened butter helps the topping form clumps and yields a tender, slightly crumbly texture.
- Blackberries — Fresh berries release less juice during baking. If using frozen, thaw and drain excess liquid first.
- Apples — Peeling is optional; I prefer peeled apples for a softer bite. Cutting into chunks rather than slices helps the pieces hold their shape while baking.
- Cornstarch — A thickener to prevent a runny filling. All-purpose flour can be used instead if preferred.

Step-by-step instructions
Step one: Preheat the oven to 350°F (175°C). Grease a 9-inch pie plate or similar baking dish and set aside.
Step two — Make the topping: In a bowl, stir together the flour, oats, brown and granulated sugars, cinnamon, and salt. Cut the softened butter into chunks and work it in with a fork (or your fingertips) until the mixture forms small clumps. Chill the topping while you prepare the filling.


Step three — Make the filling: Peel (optional) and cut apples into chunks. In a large bowl, combine the apples and blackberries. Add the juice from half a lemon, brown sugar, cornstarch, cinnamon, and salt. Toss gently until the fruit is evenly coated, then transfer the mixture to the prepared baking dish.


Step four: Remove the topping from the refrigerator and distribute clumps over the fruit. Bake for 30–35 minutes, until the topping is golden brown and the filling is bubbling around the edges. Allow to cool slightly before serving.


Expert baking tips
To make this gluten free, use a certified gluten-free flour blend and gluten-free oats.
If you use frozen berries, thaw and drain them well to remove excess moisture and reduce sogginess in the filling.
Peeling apples produces a softer texture; leaving the skin on adds color and extra fiber if you prefer a firmer bite.
FAQ
Using cornstarch or flour as a thickener helps absorb fruit juices. Fresh fruit also produces less excess liquid than frozen.
The filling should be bubbling around the edges and the topping should be a deep golden brown.
Yes. Apples help stabilize the filling, but you can swap the blackberries for raspberries, blueberries, or diced stone fruit, or make the dish all-apples.

Storing and reheating
Store leftovers tightly wrapped or in an airtight container in the refrigerator for 3–4 days. For longer storage, freeze in an airtight container for up to 3 months. Thaw in the refrigerator before reheating.
To reheat, bake at 350°F (175°C) for 10–15 minutes until warmed through. For single servings, microwave for 20–30 seconds for a quick rewarm.
Freezing
Freeze the baked crumble for up to 3 months. Wrap tightly in plastic wrap or foil, then thaw in the refrigerator before reheating or serving.

Other popular recipes with blackberries
Lemon Blackberry Layer Cake
Blackberry Oatmeal Muffins
Blackberry Lemon Bread
If you make this crumble, please leave a star review and share your thoughts in the comments. Enjoy!

Blackberry and Apple Crumble
Brooke Homec
Pin Recipe
Ingredients
For the Topping:
- 1 cup (140 g) all-purpose flour
- ¾ cup (60.75 g) old-fashioned oats
- ½ cup (110 g) dark or light brown sugar
- ¼ cup (50 g) granulated sugar
- 1 teaspoon cinnamon
- ⅛ teaspoon (0.13) salt
- ¾ cup (170.25 g) soft butter
For the Filling:
- 2 large apples peeled and chunked
- 2 cups (288 g) blackberries
- 1-2 tablespoons lemon juice about half a lemon
- ⅓ cup (73.33 g) dark or light brown sugar
- 1 tablespoon cornstarch
- 2 teaspoons cinnamon
- ¼ teaspoon (0.25) salt
Instructions
-
Preheat oven to 350°F. Grease a 9″ pie plate or baking dish and set aside.
-
Make the topping: combine flour, oats, brown and granulated sugars, cinnamon, and salt. Add softened butter in chunks and mix until the mixture forms clumps. Chill while you prepare the filling.
-
Make the filling: peel and chunk apples, then combine with blackberries in a bowl. Add lemon juice, brown sugar, cornstarch, cinnamon, and salt. Toss gently to coat and transfer to the prepared dish.
-
Top with chilled crumble clumps and bake 30–35 minutes, until topping is golden and the filling bubbles at the edges. Let cool slightly before serving.
Notes
You can make the crumble with only apples, only berries, or other fruit combinations to suit your preference.
To make gluten free, use gluten-free flour and oats.
Nutrition
Carbohydrates: 47g
Protein: 3g
Fat: 15g
Saturated Fat: 9g
Sugar: 29g