16-20 graham crackers, crushed
2/3 c. melted butter
2/3 c. sugar

Mix; put in 9x13 pan. Melt 1 large package marshmallows with 1 cup milk. Cool in refrigerator. When cool, whip 1 pint cream and mix with marshmallow mixture. Grate 4-5 Hershey Bars; put in cream-marshmallow mixture. Save some Hershey Bar to put on top. Cool overnight.