Chocolate Chip Blondies

1 cup packed brown sugar
1/2 cup butter, softened
2 eggs
1 teaspoon vanilla extract
1-1/2 cups all-purpose flour
1 tsp teaspoon baking powder
1-1/4 cups chocolate chips

In a large bowl, combine the brown sugar, butter, eggs and vanilla
just until blended. Combine the flour, baking powder and salt; add
to brown sugar mixture. Stir in chocolate chips, setting aside ~ 1/4 cup.

Spread into a greased 9 x 9-in. baking pan. Bake at 350° for
10 minutes, remove from oven. Top with reserved chocolate chips. Return pan to oven, bake another 15-18 minutes or until a toothpick inserted near the center comes out clean. Cool. Cut into bars.