45 Ritz crackers, crushed
3/4 stick butter, melted

Mix together; press in a 9x13 pan. Bake at 350 degrees for 12 minutes (ungreased). Next mix 2 packages pistachio instant pudding with 1/2 cup milk, 1 quart vanilla ice cream. Mix together and pour over cool crust and freeze. When ready to serve, spread one 8 ounce Cool Whip and shredded two Heath Bars on top.