Description
These Black Raspberry Crumble Bars are the perfect blend of sweet, juicy berries and a buttery oat crumble topping. Easy to make and bursting with fresh summer flavor, they’re ideal for potlucks, picnics, bake sales, or a delicious homemade dessert.
Ingredients
For the Black Raspberry Filling
4 cups fresh or frozen black raspberries – The star ingredient that provides sweet, tangy flavor.
¾ cup granulated sugar – Sweetens the berries without overpowering them.
2 tablespoons cornstarch – Thickens the berry juices into a jam-like filling.
1 tablespoon lemon juice – Brightens the berry flavor.
1 teaspoon vanilla extract – Adds warmth and depth.
½ teaspoon lemon zest (optional) – Adds fresh citrus aroma.
For the Crumble Crust & Topping
2 cups all-purpose flour – Creates the sturdy base.
1½ cups old-fashioned rolled oats – Adds hearty texture and crunch.
1 cup light brown sugar – Gives the crumble rich caramel flavor.
½ cup granulated sugar – Balances sweetness.
1 teaspoon baking powder – Adds lightness.
½ teaspoon salt – Enhances every flavor.
1 teaspoon ground cinnamon – Adds subtle warmth.
1 cup (2 sticks) unsalted butter, melted – Holds the crumble together while creating buttery richness.
1 teaspoon vanilla extract – Completes the flavor.
Optional Toppings
- Powdered sugar
- Vanilla glaze
- Vanilla ice cream
- Fresh whipped cream
- Extra fresh black raspberries
- Mint leaves
- Lemon zest
Instructions
- Preheat oven to 350°F (175°C) and line a 9×13-inch baking pan with parchment paper.
- Mix black raspberries with sugar, cornstarch, lemon juice, vanilla, and lemon zest.
- Combine flour, oats, sugars, baking powder, salt, cinnamon, melted butter, and vanilla to make the crumble.
- Press two-thirds of the crumble into the prepared pan.
- Spread the berry filling evenly over the crust.
- Sprinkle the remaining crumble mixture over the berries.
- Bake for 45–50 minutes until golden and bubbling.
- Cool completely for at least 2 hours before slicing.
- Cut into bars and serve plain or with vanilla ice cream.
Notes
- For clean slices, chill the bars for at least 1 hour before cutting.
- Frozen black raspberries can be used without thawing.
- Store leftovers in the refrigerator for the best texture and flavor.
- Prep Time: 20
- Cook Time: 50
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 bars per serving
- Calories: 290 calories
