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4.67 from 3 votes
Blueberry blondies on a black marble surface.
Blueberry Blondies
Prep Time
15 mins
Cook Time
35 mins
Cooling Time
20 mins
Total Time
1 hr 10 mins
 
These blueberry blondies are a nice summer treat and a nice alternative to chocolate brownies. Drizzle with white chocolate glaze at the end if you want to dress them up or just enjoy them as is.
Course: Desserts/Sweets
Cuisine: American
Keyword: Individual Servings, Make Ahead
Servings: 16 squares
Calories: 174 kcal
Ingredients
  • ½ cup unsalted butter melted
  • 1 cup brown sugar
  • 1 egg
  • 1 teaspoon vanilla extract
  • cups all-purpose flour
  • ¾ teaspoon baking powder
  • ¼ teaspoon salt
  • 1 cup blueberries
White Chocolate Glaze (optional)
  • ¼ cup white chocolate chips
  • 1 tablespoon unsalted butter
  • 2 tablespoons hot water
  • 2 tablespoons powdered sugar
Instructions
  1. Pre-heat the oven to 350°F. Place a piece of parchment paper on the inside of an 8-inch square baking pan, letting the parchment paper extend an inch over two opposite edges of the pan. Smear a little butter in the corners of the pan to secure the parchment paper to the pan and then butter the two sides of the pan that are not covered with parchment.
  2. Whisk the melted butter and brown sugar together in a large bowl until well combined. Add the egg and vanilla extract.
  3. Stir in the flour, baking powder and salt just until no traces of white remain. Do not overmix. Gently fold in the blueberries. Spread the batter evenly into the prepared pan.
  4. Bake at 350°F for 35 minutes. Transfer the baked blondies to a cooling rack. Run a knife around the edges and allow the blondies to cool completely in the pan.
  5. If you are making the white chocolate glaze to drizzle on top, melt the chocolate chips and butter together in a double boiler (or in the microwave using 10 second bursts at a time and stirring in between) until the chocolate has partially melted. Stir in the hot water (you can use the simmering water from the bottom of the double boiler) and then stir in the powdered sugar, beating vigorously to break up any lumps. Put the white chocolate glaze into a piping bag or into the corner of a zipper sealable plastic bag. Cut off the tip of the plastic bag if using and drizzle the white chocolate glaze over the blondies in a zigzag pattern.
  6. Cut the cooled blondies into 16 squares. Store in an airtight container for a few days or in the refrigerator for up to 1 week.
Recipe Notes

**These bars can also be frozen for up to 3 months.

Nutrition Facts
Blueberry Blondies
Amount Per Serving
Calories 174 Calories from Fat 72
% Daily Value*
Fat 8g12%
Saturated Fat 5g25%
Cholesterol 28mg9%
Sodium 48mg2%
Potassium 67mg2%
Carbohydrates 25g8%
Fiber 1g4%
Sugar 17g19%
Protein 2g4%
Vitamin A 219IU4%
Vitamin C 1mg1%
Calcium 30mg3%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.