Peanut Butter Squares - cooking recipe

Ingredients

2 c. peanut butter
3/4 c. melted butter
3 3/4 c. confectioners sugar
3/4 c. brown sugar
3/4 tsp. vanilla
1 (12 oz.) pkg. semi-sweet chocolate bits
4 Tbsp. butter

Preparation

Combine and mix first 5 ingredients until smooth.
Press into ungreased cookie sheet with sides, spreading evenly in pan.
Melt together chocolate bits and butter.
Spread over peanut butter mixture.
Chill 2 hours.
Cut in squares.