Simple Berry Crumble Oat Topping (Printable Version)

A cozy dessert featuring mixed berries beneath a crisp, golden oat crumble topping.

# Components:

→ Fruit Filling

01 - 1.5 cups mixed berries, fresh or frozen (blueberries, raspberries, blackberries, strawberries)
02 - 2 tablespoons granulated sugar
03 - 1 teaspoon fresh lemon juice
04 - 1 teaspoon cornstarch

→ Oat Crumble Topping

05 - 0.25 cup rolled oats
06 - 0.25 cup all-purpose flour
07 - 3 tablespoons light brown sugar, packed
08 - 0.25 teaspoon ground cinnamon
09 - Pinch of salt
10 - 2 tablespoons unsalted butter, cold and diced

# Directions:

01 - Preheat the oven to 350°F.
02 - In a small bowl, gently toss the mixed berries with granulated sugar, lemon juice, and cornstarch until evenly coated.
03 - Divide the berry mixture between two small ramekins (approximately 6 fluid ounces each) or transfer to a single small baking dish.
04 - In another bowl, combine rolled oats, flour, brown sugar, cinnamon, and salt. Add the diced cold butter and use your fingertips to mix until a crumbly texture forms throughout.
05 - Sprinkle the oat crumble mixture evenly over the berries.
06 - Bake for 25 to 30 minutes, until the topping is golden brown and the berry filling is visibly bubbling at the edges.
07 - Remove from oven and allow to cool for several minutes before serving. Enjoy warm, optionally topped with vanilla ice cream.

# Expert Tips:

01 -
  • Quick and easy with just 10 minutes of prep time
  • Perfect small-batch serving for two—no leftovers going to waste
  • Uses simple pantry staples and fresh or frozen berries
  • Naturally vegetarian and easily adaptable for gluten-free diets
  • Warm, comforting flavors with a satisfying crisp topping
  • Great for beginner bakers with minimal technique required
02 -
  • Keep butter cold for the crumbliest topping texture
  • Don't overmix the crumble—visible butter pieces create better texture
  • Frozen berries work just as well as fresh with no thawing needed
  • Check labels for allergens if using store-bought oats or flour
  • Bake until you see bubbling around the edges for perfectly cooked fruit
  • Let cool for 5 minutes before serving to allow the filling to thicken
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