2 sticks butter
1 c. peanut butter
1 3/4 c. crushed graham crackers
2 c. powdered sugar
2 c. chocolate chips, melted

Melt butter. Add peanut butter. Stir in graham crackers. Add powdered sugar and press into a 9 x 13 inch pan. Spread melted chocolate on top. Cut into squares before chocolate is set. Very good when chilled.