Why You’ll Love This Recipe

White Chocolate Blueberry Crumble Bars are a delicious blend of sweet and tangy flavors with a buttery oat crumble, a juicy blueberry layer, and creamy white chocolate drizzled on top. These bars are easy to make and perfect for dessert, picnics, or a sweet afternoon snack. Their crumbly texture and rich flavor make them a crowd-pleasing favorite.

ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

all-purpose flourold-fashioned oatsunsalted buttergranulated sugarlight brown sugarsaltbaking powdervanilla extractfresh or frozen blueberriescornstarchwhite chocolate chips

directions

Preheat your oven to 350°F (175°C) and line an 8×8-inch baking dish with parchment paper.

In a mixing bowl, combine flour, oats, granulated sugar, brown sugar, baking powder, and salt.

Add melted butter and vanilla extract to the dry ingredients and stir until crumbly.

Press two-thirds of the crumble mixture into the bottom of the prepared baking dish to form the crust.

In a separate bowl, toss the blueberries with cornstarch and a bit of sugar if desired.

Spread the blueberry mixture evenly over the crust.

Sprinkle the remaining crumble mixture on top of the blueberries.

Bake for 35–40 minutes, or until the top is golden and the blueberries are bubbly.

Allow the bars to cool completely in the pan.

Melt the white chocolate chips and drizzle over the cooled bars.

Chill briefly to set the chocolate, then cut into squares.

Servings and timing

This recipe yields approximately 16 bars.Preparation time: 15 minutesBaking time: 35–40 minutesCooling and drizzling time: 45 minutesTotal time: 1 hour 35 minutes

Variations

Swap blueberries for raspberries or blackberries for a different fruity flavor.

Add lemon zest to the blueberry filling for a citrusy boost.

Use dark or milk chocolate instead of white chocolate for a different drizzle.

Mix chopped nuts like pecans or almonds into the crumble for added crunch.

storage/reheating

Store in an airtight container at room temperature for up to 3 days or refrigerate for up to 1 week.For longer storage, freeze the bars for up to 2 months; thaw in the refrigerator before serving.To reheat, microwave a single bar for 10–15 seconds if you prefer them warm.

FAQs

Can I use frozen blueberries?

Yes, just be sure to thaw and drain them slightly before using to avoid excess moisture.

Do I need to use parchment paper?

Parchment makes it easier to remove the bars from the pan, but you can also grease the pan well.

Can I skip the white chocolate drizzle?

Absolutely, the bars are still delicious without it.

How do I keep the crumble topping crunchy?

Bake until golden and let the bars cool completely before cutting to keep the topping crisp.

Can I double this recipe?

Yes, double the ingredients and bake in a 9×13-inch pan, adjusting bake time as needed.

Are these bars overly sweet?

The white chocolate adds sweetness, but the tart blueberries balance it nicely.

What kind of oats should I use?

Old-fashioned oats work best for texture; avoid quick oats.

Can I make this gluten-free?

Yes, use a gluten-free flour blend and certified gluten-free oats.

Do I have to melt the butter?

Yes, melted butter helps bind the crumble mixture.

Can I add spices?

A touch of cinnamon or nutmeg can enhance the flavor nicely.

Conclusion

White Chocolate Blueberry Crumble Bars combine fruity sweetness, buttery crumble, and creamy white chocolate into one irresistible treat. Easy to prepare and even easier to enjoy, they’re perfect for any occasion—from potlucks to afternoon coffee breaks. Once you try them, they’re bound to become a go-to dessert favorite.