Baking these blondies in a muffin tin means you get 12 individually portioned treats, perfect for a bake sale, a party, or sharing with friends.
Adjust oven rack to middle position and heat oven to 350 degrees. Line 12-cup muffin tin with 12 paper liners.
In medium bowl, whisk together flour, baking powder, and salt.
In large bowl, whisk brown sugar and melted butter until smooth. Add eggs and vanilla and whisk until smooth.
Add flour mixture and use rubber spatula to gently stir until just combined. Stir in white chocolate chips.
Use oven mitts to remove muffin tin from oven (ask an adult for help). Place muffin tin on cooling rack and let blondies cool in muffin tin for 15 minutes.
Think of blondies as cousins to brownies. They are flavored with brown sugar and studded with creamy white chocolate chips. Like brownies, blondies are typically made in a baking pan and cut into squares when cool. Baking them in a muffin tin dramatically cuts down the baking and cooling time—so you get blondies extra fast!
Butter can be melted in a small saucepan on the stove (use medium-low heat), but we think the microwave is easier. Here’s how to do it: