This Summer Triple Berry Crumble Recipe has all the berry-licious fresh summer flavors you crave: blueberries, blackberries and raspberries. All topped with a sweet and crunchy oatmeal crumble.
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Triple Berry Crumble Recipe


Fruit Filling:

  • 2 cups blueberries fresh or frozen
  • 2 cups raspberries fresh or frozen
  • 2 cups blackberries fresh or frozen
  • 1/8 cup granulated sugar more or less, depending on how sweet the berries are
  • 1/4 cup flour
  • 1/4 teaspoon cinnamon
  • 1 tablespoon fresh lemon juice
  • 1 tablespoon grated lemon zest

Crumble Topping

  • 1 cup old-fashioned rolled oats
  • 1/2 cup flour
  • 1/2 cup brown sugar
  • 1/2 cup unsalted butter melted


  • Preheat oven to 375°.
  • Grease an 8" X 8" X 2" baking pan. Set aside.
  • In large mixing bowl, gently combine sugar, flour, and cinnamon together.
  • Add mixed berries and gently combine.
  • Stir in lemon juice and lemon zest.
  • Spoon fruit mixture into prepared 8" X 8" X 2" pan.
  • Separately in small mixing bowl, stir together rolled oats, flour and brown sugar.
  • Stir in melted butter with a fork until crumbly.
  • Sprinkle oatmeal topping lightly over filling in baking pan.
  • Bake uncovered for 45 minutes or until golden brown.
  • Serve warm with a splash of fresh cream or scoop of vanilla bean ice cream.