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Mixed Berry Crumble baked in a blue enameled cast iron skillet

Mixed Berry Crumble

Mixed Berry Crumble is the best way to enjoy Summer berries! Perfectly sweet and tart with a buttery, crispy crumble, top with ice cream or whipped cream for a fabulous dessert!
Course Dessert
Cuisine American
Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Servings 8 Servings
Calories 476kcal
Author Lalaine


  • 6 cups mixed berries (raspberries, blackberries, blueberries, and hulled/chopped strawberries)
  • 1/2 cup sugar
  • 1 tablespoon lemon juice
  • 2 tablespoons cornstarch
  • 1/4 teaspoon cinnamon
  • 1 cup flour
  • 1/2 cup brown sugar
  • 1/2 teaspoon salt
  • 1/2 teaspoon baking powder
  • 1 cup butter, chilled
  • 1/2 cup walnuts, chopped


  • In a large bowl, combine berries, sugar, lemon juice, and cinnamon. Add cornstarch and toss to coat berries. Transfer to a baking dish or oven-safe skillet.
  • In a bowl, combine flour, brown sugar, baking powder, and salt. Whisk until distributed. 
  • Cut in the butter and using hands, rub the butter into the flour mixture until large crumbs form. Stir in walnuts. 
  • Sprinkle mixture over top of berries to completely cover.
  • Bake in a 375 F oven for about 30 to 35 minutes or until golden brown and bubbly. 
  • Remove from oven and let stand for about 5 minutes. Serve warm. Top with vanilla ice cream, if desired.


If the crumble feels too dry or floury, add another 1 tablespoon of butter.


Calories: 476kcal | Carbohydrates: 55g | Protein: 3g | Fat: 28g | Saturated Fat: 15g | Cholesterol: 61mg | Sodium: 353mg | Potassium: 162mg | Fiber: 4g | Sugar: 35g | Vitamin A: 765IU | Vitamin C: 3.6mg | Calcium: 48mg | Iron: 1.2mg