If you love chewy cookie bars with a soft center and golden edges, these Blueberry White Chocolate Blondies are about to be your new favorite dessert.

They combine buttery brown sugar blondie batter with bursts of juicy blueberries and creamy white chocolate chips. The result? A sweet, slightly tart, perfectly chewy bar that tastes like something straight from a bakery.

Ready in just 35 minutes, these blondies are perfect for parties, potlucks, summer gatherings, or an easy weeknight treat.

🫐 Why You’ll Love This Recipe

Soft & chewy texture
Sweet + slightly tart flavor combo
One-bowl recipe
Ready in 35 minutes
Perfect for sharing
Freezer-friendly

These bars look impressive but are incredibly easy to make.

🧁 Ingredients You’ll Need

½ cup unsalted butter, melted
1 cup light brown sugar
1 large egg
1 teaspoon vanilla extract
1 cup all-purpose flour
½ teaspoon baking powder
¼ teaspoon salt
¾ cup white chocolate chips
¾ cup fresh blueberries (or frozen, not thawed)

👩‍🍳 How to Make Blueberry White Chocolate Blondies

Step 1: Preheat & Prep

Preheat oven to 350°F (175°C).
Line an 8×8-inch baking pan with parchment paper.

Step 2: Mix Wet Ingredients

In a large bowl, whisk together:

Melted butter
Brown sugar

Add egg and vanilla. Mix until smooth.

Step 3: Add Dry Ingredients

Stir in:

Flour
Baking powder
Salt

Mix until just combined (don’t overmix).

Step 4: Fold in Add-Ins

Gently fold in:

White chocolate chips
Blueberries

Be careful not to crush the berries.

Step 5: Bake

Spread batter evenly into prepared pan.
Bake for 22–28 minutes, until edges are golden and center is set.

Step 6: Cool & Slice

Let cool completely before slicing for clean edges.

🔥 Tips for Perfect Blondies

Do not overbake — slightly soft center gives chewy texture.
Toss blueberries in a teaspoon of flour to prevent sinking.
Use fresh blueberries for best texture.
Let bars cool fully before cutting.

🍫 Delicious Variations

Want to change it up?

Add lemon zest for brightness
Use raspberries instead of blueberries
Add macadamia nuts for crunch
Drizzle melted white chocolate on top
Add cream cheese swirl

🥡 Storage Tips

Room Temperature:
Store in airtight container up to 3 days.

Refrigerator:
Up to 5 days.

Freezer:
Freeze slices up to 2 months.

❓ Frequently Asked Questions

Can I use frozen blueberries?

Yes — use them straight from freezer. Do not thaw.

Why are my blondies cakey?

Overmixing or too much flour can cause this. Measure carefully.

Can I double the recipe?

Yes — bake in a 9×13-inch pan and adjust baking time.

How do I know they’re done?

Edges should be golden, center slightly set but soft.

💡 Pro Tip for Bakery-Style Blondies

Sprinkle a tiny pinch of flaky sea salt on top before baking to enhance sweetness and flavor contrast.

Final Thoughts

These Easy Blueberry White Chocolate Blondies are:

✔ Soft
✔ Chewy
✔ Buttery
✔ Sweet & fruity
✔ Perfect for sharing

They’re simple, elegant, and guaranteed to disappear fast.