Simple Berry Crumble Oat (Printable)

A warm, comforting dessert with mixed berries and a crisp oat topping, ideal for a cozy treat.

# What You Need:

→ Fruit Filling

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

→ Oat Crumble Topping

05 - 1/4 cup rolled oats
06 - 1/4 cup all-purpose flour
07 - 3 tablespoons packed light brown sugar
08 - 1/4 teaspoon ground cinnamon
09 - Pinch of salt
10 - 2 tablespoons cold unsalted butter, diced

# Directions:

01 - Set oven to 350°F and allow to reach full temperature.
02 - In a small mixing bowl, gently combine berries with granulated sugar, lemon juice, and cornstarch until evenly coated.
03 - Divide the berry mixture evenly between two 6-ounce ramekins or transfer to a single small baking dish.
04 - In another bowl, whisk together oats, flour, brown sugar, cinnamon, and salt. Add cold diced butter and work the mixture with your fingertips until a crumbly consistency forms.
05 - Distribute the oat crumble topping evenly over the berry filling.
06 - Bake for 25 to 30 minutes until the topping is golden brown and berry filling bubbles at the edges.
07 - Allow to cool for several minutes before serving. Serve warm, optionally topped with vanilla ice cream or whipped cream.

# Expert Hints:

01 -
  • Quick and easy with just 10 minutes of prep time
  • Perfect portion size for two—no massive leftovers
  • Flexible with any berry combination, fresh or frozen
  • Buttery oat topping adds irresistible crunch and warmth
  • Simple enough for beginners, delicious enough for seasoned bakers
  • Naturally vegetarian and easily adaptable to dietary needs
02 -
  • Use a mix of berries for complex flavor—blueberries add sweetness, raspberries bring tartness, and blackberries contribute depth
  • Don't overmix the crumble topping; visible butter pieces create the best texture
  • If the topping browns too quickly, tent the ramekins loosely with foil for the last 10 minutes of baking
  • Make the crumble topping ahead and store it in the freezer for up to a month—just sprinkle it directly over fruit and bake
  • For deeper caramelization, broil the finished crumble for 1-2 minutes, watching carefully to prevent burning
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