01 -
Preheat oven to 350°F. Butter a jelly roll pan and line with parchment paper.
02 -
Whisk flour and baking powder in small bowl.
03 -
Melt butter, chocolate, vanilla, and salt in saucepan over low heat, stirring until smooth.
04 -
Mix both sugars into chocolate mixture. Add eggs one at a time, mixing well. Fold in flour mixture until just combined.
05 -
Spread batter evenly in prepared pan. Bake 15 minutes until top appears dry. Cool completely.
06 -
Cut brownie slab in half. Trim edges for even sides. Spread softened ice cream on one brownie layer. Top with second layer. Wrap and freeze 2 hours.
07 -
Cut into 6 rectangles or 12 squares. Wrap individually and freeze.