No Bake Peanut Butter Bars - cooking recipe

Ingredients

1 1/2 c. peanut butter
1 c. brown sugar
1 1/2 c. powdered sugar
1/4 c. margarine, melted
2 c. chocolate chips
1/4 c. margarine

Preparation

Mix first four ingredients and pat into 9 x 13-inch pan.
Melt chips and margarine; spread over peanut butter layer.
Chill.