2 c. graham crackers, crushed
2 1/2 c. powdered sugar
2 sticks butter
1 c. peanut butter
1 (6 oz.) pkg. chocolate chips

Mix together crushed graham crackers and powdered sugar. Set aside. Melt butter and peanut butter in saucepan. Add to above mixture. Press firmly into a greased 9 x 13 inch pan. Melt chocolate chips for frosting.