Triple Berry Crumble Bars

A warm whiff of baked berries and buttery crumble wafts through your kitchen as you cut into a perfectly golden Triple Berry Crumble Bar. This delightful treat comes together in under an hour and is ideal for summer picnics or cozy family gatherings. The balance of sweet and tart berries with a crunchy topping makes it a standout dessert that everyone will love.

This recipe is perfect for fruit lovers and those looking for a satisfying yet simple dessert. It’s a great choice for a weekend bake or an easy weekday treat. Plus, you can make these crumble bars ahead of time and store them for later, keeping dessert stress-free!

Why You’ll Love This Recipe

• The combination of raspberries, blueberries, and blackberries offers a burst of flavor in each bite.
• A buttery, crumbly topping adds a satisfying crunch that contrasts beautifully with the juicy fruit.
• This recipe comes together quickly, making it a perfect option for last-minute gatherings.
• You can easily customize it with your favorite seasonal fruits or nuts.

What You’ll Need

Here’s what you’ll need to make these delicious berry crumble bars.

For the Filling

• 1 cup raspberries
• 1 cup blueberries
• 1 cup blackberries
• 1/4 cup lemon juice

For the Crust and Topping

• 1 cup all-purpose flour
• 1/2 cup granulated sugar
• 1/2 cup unsalted butter, softened
• 1/4 teaspoon salt
• 1/2 teaspoon vanilla extract
• 1/2 cup rolled oats

Note: Use fresh or frozen berries.

Substitutions & Swaps

• Coconut oil for butter
• Almond flour for all-purpose flour
• Maple syrup for granulated sugar
• Any mix of berries for variety

How to Make It

Follow these simple steps for a delicious treat.

Preheat the oven

Preheat your oven to 350°F (175°C) and grease a baking dish.

Mix the berries

In a bowl, mix the berries with half of the sugar and lemon juice.

Combine the dry ingredients

In a separate bowl, combine flour, remaining sugar, salt, and oats.

Cut in the butter

Cut in the butter until crumbly, creating a mixture with pea-sized clumps.

Press the crust

Press half of the mixture into the bottom of the prepared dish as a crust.

Add the filling

Spread the berry mixture evenly over the crust.

Top with crumble

Sprinkle the remaining crumble on top of the berries.

Bake the bars

Bake for about 30-35 minutes or until golden.

Cool and cut

Allow to cool before cutting into bars.

How to Store It

Fridge: store in an airtight container for up to 5 days.
Freezer: yes, can be frozen for up to 3 months.
Reheat: microwave for 15-20 seconds or enjoy cold.

Tips for Best Results

• Ensure the butter is softened for easy mixing.
• Adjust the sugar depending on the sweetness of your berries.
• Let the bars cool completely to achieve clean cuts.
• Experiment with adding spices like cinnamon for extra flavor.

Serving Suggestions

• Serve with a scoop of vanilla ice cream for extra indulgence.
• Pair with a cup of tea for an afternoon snack.
• Enjoy as a simple breakfast with morning coffee.