Submitted by NancyCarol
1-3/4 cups graham cracker crumbs
2-1/3 cups powdered sugar
1 cup crunchy peanut butter
2 cups chocolate chips (milk chocolate or semi-sweet, your preference)
Melt margarine. Remove from heat and add graham cracker crumbs, sugar and peanut butter. Pat evenly in the bottom of a lightly greased 9x13-inch pan.
Melt chocolate chips. Pour evenly over peanut butter mixture. Cut into squares when cool.