Simple Berry Crumble Oat Topping (Printable)

A comforting mix of juicy berries under a crisp, golden oat topping, ideal for a cozy small batch dessert.

# What You'll Need:

→ 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

# How To:

01 - Set oven to 350°F and allow to reach temperature.
02 - In a small mixing bowl, gently toss berries with granulated sugar, lemon juice, and cornstarch until evenly coated.
03 - Divide berry mixture between two 6-ounce ramekins or transfer to a single small baking dish.
04 - In a separate bowl, combine oats, flour, brown sugar, cinnamon, and salt. Add cold diced butter and use fingertips to work mixture until crumbly texture forms throughout.
05 - Sprinkle oat crumble mixture evenly over berry filling.
06 - Bake for 25 to 30 minutes until topping achieves golden brown color and berry filling bubbles at edges.
07 - Remove from oven and cool for several minutes. Serve warm, optionally topped with vanilla ice cream or whipped cream.

# Expert Tips:

01 -
  • Quick and easy—ready in just 40 minutes with minimal prep
  • Perfect portion size for two servings, no leftovers to worry about
  • Uses simple pantry staples and whatever berries you have on hand
  • Naturally vegetarian and easily adaptable to dietary needs
  • The oat topping adds wholesome texture and nutty flavor to every bite
  • Delicious served warm with vanilla ice cream or whipped cream
02 -
  • Use cold butter and work quickly to achieve the perfect crumbly texture
  • Don't overmix the topping—visible butter chunks create the best crispy clusters
  • Mix frozen and fresh berries for varied texture and flavor depth
  • Let the crumble rest for 5 minutes after baking so the filling thickens properly
  • Bake on a sheet pan to catch any berry juices that bubble over
  • Store leftover crumble topping in the freezer for quick future desserts
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