Butterfinger bars

1 lb graham crackers crushed
1 1- lb box powdered sugar
1 1/2 sticks butter
3 cups peanut butter

Mix together and press into jelly roll pan or 2 9 X 13 cake pans. Cover top with chocolate chips. Melt chips in over at 250 about 5 minutes or until soft enough to spread. Chill until set and cut into squares. Yum!