40 Ritz crackers, crushed
1 stick butter, melted

Combine above; put into bottom of 13 x 9 pan. Bake 8-10 minutes at 350 degrees. Cool.

Mix 2 packages small instant pistachio pudding with 3 cup of milk. Fold in 1 quart vanilla ice cream. Pour over crust. Top with Cool Whip. Sprinkle 4 crushed Heath bars over top. Refrigerate.