Best Cozy Blueberry White Chocolate Blondies

These Blueberry White Chocolate Blondies are the coziest, most irresistible dessert you’ll ever make. After baking them dozens of times, I’ve discovered the trick to perfect blondies every time. Keep reading for my best tips on making these better-than-takeout treats. If you love recipes like this, you’ll also enjoy Easy Bunuelos Recipe and Italian Peach Summer Cookies.

Why This Best Cozy Blueberry White Chocolate Blondies Is Pure Comfort
- Crispy edges and chewy center
- Bursting with blueberries and white chocolate
- Easy to make and perfect for any occasion
- Better than takeout and freezer-friendly
What You'll Need for Best Cozy Blueberry White Chocolate Blondies
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- 2 cups all-purpose flour
- 1 tsp baking powder
- 1/2 tsp salt
- 1 cup unsalted butter, melted
- 2 cups light brown sugar
- 2 large eggs
- 2 tsp vanilla extract
- 1 cup white chocolate chips
- 1 cup fresh blueberries
- 1 tsp vanilla extract
- 1/2 tsp salt
- Optional: Powdered sugar for dusting

📝 Ingredient Notes
- all-purpose flour: You can also use gluten-free flour for a gluten-free version.
- unsalted butter: Melt the butter before using.
🛒 Tools & Equipment I Recommend
- Silicone Baking Mat — Prevents sticking and ensures even baking → See on Amazon
- Parchment Paper — Makes cleanup a breeze → See on Amazon

How to Make Best Cozy Blueberry White Chocolate Blondies
- Preheat oven: Preheat oven to 350°F (180°C) and line a 9×13-inch baking dish with parchment paper or a silicone baking mat.
- Mix dry ingredients: In a medium bowl, whisk together flour, baking powder, and salt.
- Mix wet ingredients: In a large bowl, mix melted butter, brown sugar, eggs, and vanilla extract until well combined.
- Combine ingredients: Gradually add the dry ingredients to the wet ingredients and mix until just combined. Fold in white chocolate chips and blueberries.
- Bake: Pour the batter into the prepared baking dish and spread evenly. Bake for 25-30 minutes or until a toothpick inserted into the center comes out clean. Allow to cool completely before slicing.
Cook's Tips for Perfect Best Cozy Blueberry White Chocolate Blondies
- : For a fudgier blondie, underbake slightly and let them cool completely in the pan.
- Common mistake and fix: If your blondies are browning too quickly, tent the pan with aluminum foil after 20 minutes of baking.
- : For a fun twist, try adding a layer of cream cheese frosting on top.
Storing & Reheating Best Cozy Blueberry White Chocolate Blondies
Short-Term Storage
Store in an airtight container in the fridge. Store in an airtight container in the fridge for up to 5 days. Make-ahead tip: You can make the batter ahead of time and store it in the fridge for up to 2 days. Bake as directed when ready to serve.
Freezing Best Cozy Blueberry White Chocolate Blondies
Freeze sliced blondies in an airtight container for up to 3 months. Thaw at room temperature before serving.
How to Reheat Without Drying It Out
Oven: Reheat in the oven at 300°F (150°C) for 10-15 minutes. Microwave: Reheat in the microwave for 15-20 seconds, but be careful not to overheat.
Recipe Notes
- Chef tip: For a fun twist, try adding a layer of cream cheese frosting on top.
- Best substitution: You can use dried blueberries in place of fresh ones, but adjust the baking time accordingly.
- Make-ahead: You can make the batter ahead of time and store it in the fridge for up to 2 days. Bake as directed when ready to serve.
- Scaling: This recipe can be halved or doubled to suit your needs.
- Troubleshooting: If your blondies are browning too quickly, tent the pan with aluminum foil after 20 minutes of baking.
Want to level up this recipe?
High-quality baking dish — Ensures even baking and makes cleanup easy → Check price on Amazon
Best Cozy Blueberry White Chocolate Blondies

Ingredients
Main Ingredients
- 2 cups all-purpose flour
- 1 tsp baking powder
- 1/2 tsp salt
- 1 cup unsalted butter, melted
- 2 cups light brown sugar
- 2 large eggs
- 2 tsp vanilla extract
- 1 cup white chocolate chips
- 1 cup fresh blueberries
Seasonings
- 1 tsp vanilla extract
- 1/2 tsp salt
Optional Toppings
- Powdered sugar for dusting
Instructions
- Preheat oven: Preheat oven to 350°F (180°C) and line a 9×13-inch baking dish with parchment paper or a silicone baking mat.
- Mix dry ingredients: In a medium bowl, whisk together flour, baking powder, and salt.
- Mix wet ingredients: In a large bowl, mix melted butter, brown sugar, eggs, and vanilla extract until well combined.
- Combine ingredients: Gradually add the dry ingredients to the wet ingredients and mix until just combined. Fold in white chocolate chips and blueberries.
- Bake: Pour the batter into the prepared baking dish and spread evenly. Bake for 25-30 minutes or until a toothpick inserted into the center comes out clean. Allow to cool completely before slicing.
Notes
- Chef tip: For a fun twist, try adding a layer of cream cheese frosting on top.
- Best substitution: You can use dried blueberries in place of fresh ones, but adjust the baking time accordingly.
- Make-ahead: You can make the batter ahead of time and store it in the fridge for up to 2 days. Bake as directed when ready to serve.
- Scaling: This recipe can be halved or doubled to suit your needs.
- Troubleshooting: If your blondies are browning too quickly, tent the pan with aluminum foil after 20 minutes of baking.
Storage
- Fridge: Store in an airtight container in the fridge for up to 5 days.
- Freezer: Freeze sliced blondies in an airtight container for up to 3 months. Thaw at room temperature before serving.
- Oven reheat: Reheat in the oven at 300°F (150°C) for 10-15 minutes.
- Microwave reheat: Reheat in the microwave for 15-20 seconds, but be careful not to overheat.
- Make ahead: You can make the batter ahead of time and store it in the fridge for up to 2 days. Bake as directed when ready to serve.
Nutrition Per Serving
- Calories: 180
- Protein: 2g
- Fat: 8g
- Carbs: 26g
- Fiber: 1g
- Sugar: 18g
- Sodium: 100mg
- Cholesterol: 30mg
- Sat. Fat: 5g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Best Cozy Blueberry White Chocolate Blondies FAQs
Yes, you can make the batter ahead of time and store it in the fridge for up to 2 days. Bake as directed when ready to serve.
If your blondies are dry, you may have overbaked them. Try underbaking slightly and letting them cool completely in the pan.
Yes, freeze sliced blondies in an airtight container for up to 3 months. Thaw at room temperature before serving.
While you can make individual blondies in the air fryer, the recipe as written is not suitable for air frying.
You can use milk chocolate chips or dark chocolate chips as a substitute, but the flavor will be slightly different.
A Warm Final Note
I can’t wait for you to try Best Cozy Blueberry White Chocolate Blondies and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!






