3 c. powdered sugar
1 c. peanut butter
1 1/4 c. graham cracker crumbs
2 sticks butter, melted
1/2 c. raisins

Mix all ingredients together and press in a 9 x 13 inch pan.

Melt 12 ounces milk chocolate chips (mix in 1/2 tablespoon oil with them for softness) or a large Hershey bar. Spread over mixture.