Triple Berry Crumble
Strawberries, blueberries, and raspberries or blackberries beneath a buttery oat topping.
Triple Berry Crumble bakes strawberries, blueberries, and raspberries or blackberries beneath a buttery oat topping. The mixed fruit creates a balance of sweet, tart, jammy, and whole-berry textures in the same spoonful.
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Ingredients
- 2 cups strawberries, sliced
- 1 cup blueberries
- 1 cup raspberries or blackberries
- 1/3 cup sugar
- 1 tablespoon lemon juice
- 2 tablespoons cornstarch
- 3/4 cup rolled oats
- 1/2 cup flour
- 1/2 cup brown sugar
- 6 tablespoons cold butter, cubed
Substitutions
- For Triple Berry Crumble, A firm plant-based butter can replace dairy butter; use the same amount and expect a slightly different flavor.
- In Triple Berry Crumble, use another fruit with similar moisture and keep the measured amount close to the recipe.
Instructions
Step 1: Toss the berries with sugar, lemon juice, and cornstarch
Toss the berries with sugar, lemon juice, and cornstarch.
Step 2: Mix oats, flour, brown sugar, and cold butter until crumbly
Mix oats, flour, brown sugar, and cold butter until crumbly.

Step 3: Spread the berry filling in a baking dish
Spread the berry filling in a baking dish.

Step 4: Sprinkle the crumble topping evenly over the fruit
Sprinkle the crumble topping evenly over the fruit.
Step 5: Bake at 350°F until bubbling and golden
Bake at 350°F until bubbling and golden.


How to Store Leftovers
Cool Triple Berry Crumble completely before covering. Store it airtight at cool room temperature for up to 2 days, or refrigerate for up to 4 days if the kitchen is warm or the recipe contains fresh fruit.
How to Reheat
Serve Triple Berry Crumble at room temperature unless the recipe is intended warm. Heat individual portions briefly and avoid overheating frosting, glaze, or fruit filling.
Serving Ideas
- Vanilla ice cream
- Whipped cream
- Coffee or tea
- Fresh berries
Common Mistakes to Avoid
- Overmixing after flour is added.
- Cutting or frosting before cooling.
Nutrition Information
| Nutrient | Per Serving |
|---|---|
| Calories | 295 |
| Protein | 4g |
| Carbohydrates | 47g |
| Fat | 12g |
| Sugar | 29g |
Nutrition is an estimate and can vary with brands, portion size, and substitutions.
Frequently Asked Questions
What is the clearest doneness cue for Triple Berry Crumble?
Bake at 350°F until bubbling and golden.
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