BARS:

2 sticks butter
1 c. brown sugar
1 egg
1 tsp. baking powder
1 tsp. vanilla
2 c. sifted flour

Cream butter and sugar; add egg and vanilla; mix well. Add flour and combine; spread 1/4 inch thick over an area about 13 x 15 inches on a greased baking sheet. Bake at 350 degrees for 15 minutes.

FROSTING:

2 tbsp. butter
2 tbsp. cocoa
1 tsp. vanilla
2 c. powdered sugar
Milk

Melt 2 tablespoons butter in small saucepan; remove from heat; add 2 tablespoons cocoa, 1 teaspoon vanilla, 2 cups powdered sugar and enough milk for right spreading consistency. Spread over bars while hot and cut in squares when cool.