Chewy Brown Sugar Blondies with Chocolate and Walnuts

Dense, buttery blondies studded with semisweet chocolate chips and walnuts. Brown sugar creates a rich, caramel-like flavor while careful mixing keeps the texture tender. Baked in an 8-inch square pan until the top turns golden brown, these bars deliver chocolate and walnut pieces in every bite.
Ingredients
Instructions
- 1
Preheat oven to 350 degrees. Rub an 8-inch square baking pan with butter.
- 2
Beat butter and sugars with a mixer until smooth.
- 3
Whisk in egg and vanilla.
- 4
Add flour and salt; mix just until moistened without overmixing.
- 5
Fold in chocolate chips and walnuts.
- 6
Transfer batter to prepared pan and smooth the top.
- 7
Sprinkle remaining chocolate chips and walnuts over surface.
- 8
Bake until top is golden brown and a toothpick inserted into the center comes out clean, 40-45 minutes.
- 9
Set pan on a wire rack and let cool completely.
- 10
Cut into squares.
Tips
Do not overmix batter after adding flour to avoid tough, dense blondies.
Fold in mix-ins gently to preserve tender crumb structure.
Good to Know
Airtight container at room temperature up to 4 days.
Batter can be prepared up to 4 hours ahead; refrigerate before baking.
Cut into squares and serve at room temperature or slightly warm.
Common Mistakes
Do not overmix batter after adding flour to avoid tough, dense blondies.
Add chocolate chips and walnuts to batter first before topping to ensure even distribution; source notes all mix-ins went into batter.