Simple Berry Crumble Oat Topping (Printable Page)

Juicy mixed berries baked with a crisp, golden oat topping for a warm, comforting dessert.

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

# Step-by-Step Guide:

01 - Preheat oven to 350°F.
02 - In a small bowl, gently toss berries with granulated sugar, lemon juice, and cornstarch until evenly coated.
03 - Divide berry mixture between two 6-ounce ramekins or place in a single small baking dish.
04 - In another bowl, combine oats, flour, brown sugar, cinnamon, and salt. Add diced cold butter and work with fingertips until mixture resembles coarse crumbs.
05 - Sprinkle oat crumble evenly over berry layer.
06 - Bake for 25 to 30 minutes until topping is golden brown and berries are bubbling at edges.
07 - Allow to cool for several minutes before serving. Serve warm, optionally with vanilla ice cream or whipped cream.

# Expert Tips:

01 -
  • Quick and easy: Only 10 minutes of prep and 30 minutes in the oven—dessert is ready in 40 minutes flat.
  • Small batch friendly: Made for two servings in individual ramekins, so nothing goes to waste.
  • Flexible with fruit: Use fresh or frozen berries—blueberries, raspberries, blackberries, or strawberries all work beautifully.
  • Comforting and satisfying: The combination of bubbling berry filling and crisp, cinnamon-scented oat topping is irresistibly cozy.
  • Easily adaptable: Simple swaps make it gluten-free, or you can add nuts for extra crunch.
02 -
  • Keep the butter cold: Cold, diced butter is essential for a crumbly, crisp topping—work quickly with your fingertips so it stays cool.
  • No need to thaw frozen berries: Use frozen berries straight from the freezer; they will release their juices beautifully as they bake.
  • Check for doneness: The crumble is ready when the topping is deep golden brown and you can see the berry juices actively bubbling around the edges.
  • Make it gluten-free: Swap the all-purpose flour for a gluten-free flour blend and use certified gluten-free oats.
  • Add nuts for crunch: Mix in a tablespoon of chopped pecans or almonds with the oat topping for extra texture and flavor.
  • Allergen reminder: This recipe contains milk (butter) and wheat (flour and oats). Check labels carefully if allergens are a concern.
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