1/2 c. butter, softened (1 stick)
1/2 c. crunchy peanut butter
1 1/4 c. firmly packed brown sugar
2 eggs
1 tsp. vanilla extract
1 1/2 c. flour
1 tsp. baking powder
1/2 tsp. salt

GLAZE:

3/4 c. confectioners sugar
1 tbsp. light cream or half and half
1/4 tsp. vanilla extract

CHOCOLATE RIBBON:

1/4 c. semi-sweet chocolate pieces
1 tbsp. butter

In large bowl of mixer cream butter, peanut butter, and brown sugar until light and fluffy. Beat in eggs and vanilla. Combine flour, baking powder, and salt; blend into creamed mixture. Spread batter in lightly buttered 13 x 9 x 2 inch baking pan. Bake in preheated 350 degree oven 28-30 minutes. Cool slightly in pan on rack.

For Glaze, blend confectioners sugar, cream, and vanilla until smooth. Spread lightly over warm cookies. Cool.

For Chocolate Ribbon, melt together chocolate pieces and butter; drizzle over white glaze in ribbon pattern. Cool frosted cookies completely. Cut into bars. Makes about 3 dozen bars.