Lemon-Blueberry Blondie Bars – Soft, Buttery Dessert Bars
Lemon-Blueberry Blondie Bars are soft, chewy dessert bars made with buttery brown sugar batter, fresh blueberries, fragrant lemon zest, and a sweet lemon glaze. Their moist texture and refreshing citrus flavor make them perfect for dessert, afternoon snacks, parties, or brunch gatherings. Easy to prepare with everyday ingredients, these blondie bars offer a delightful balance of rich buttery sweetness and bright fruity freshness that everyone will enjoy.
Ingredients
For the Blondies
- 1 cup unsalted butter, melted
- 1½ cups light brown sugar
- 2 large eggs
- 2 teaspoons vanilla extract
- 2 tablespoons fresh lemon juice
- 2 cups all-purpose flour
- 1 teaspoon baking powder
- ½ teaspoon salt
- 1½ cups fresh blueberries
For the Lemon Glaze
- 1 cup powdered sugar
- 2 tablespoons fresh lemon juice
- 1 teaspoon lemon zest
Instructions
- Preheat the oven to 350°F (175°C). Grease and line a 9×13-inch baking pan with parchment paper.
- Whisk together the melted butter and brown sugar until smooth.
- Add the eggs one at a time, followed by the vanilla extract, lemon juice, and lemon zest.
- In a separate bowl, combine the flour, baking powder, and salt.
- Gradually stir the dry ingredients into the wet ingredients until just combined.
- Coat the blueberries with one tablespoon of flour and gently fold them into the batter.
- Spread the batter evenly into the prepared baking pan.
- Bake for 28–32 minutes or until the edges are lightly golden and a toothpick inserted into the center comes out mostly clean.
- Whisk together the glaze ingredients until smooth.
- Drizzle the glaze evenly over the cooled blondies.
- Allow the glaze to set before cutting into bars and serving.
Notes
- Fresh blueberries provide the best flavor and texture.
- Frozen blueberries can be used without thawing.
- Toss blueberries in flour to prevent sinking.
- Do not overmix the batter.
- Fresh lemon zest adds vibrant citrus aroma.
- Cool completely before glazing.
- Store in an airtight container for maximum freshness.
- The flavor improves after resting overnight.