3/4 c. melted butter
2 c. crushed graham cracker crumbs
1 1/2 c. peanut butter
2 c. powdered sugar
1 (12 oz.) pkg. chocolate chips, milk chocolate is best

Melt butter in microwave; add peanut butter, graham cracker crumbs and powdered sugar. Press evenly into ungreased 9 x 13 inch pan. Set aside. Melt chocolate chips until smooth. Spread evenly over mixture. Let stand until chocolate hardens. Cut into squares.