CRUST:

52 Ritz crackers
1/4 lb. butter, soft

Roll crackers into crumbs. Mix with butter or soft butter. Press into 13 x 9 pan. Refrigerate.

FILLING:

1 qt. vanilla ice cream
2 pkgs. pistachio pudding mix
1 1/2 c. milk

Mix together until smooth and pour over crust. Spread 8 ounces Cool Whip over top. Sprinkle 3 crushed Heath Bars over Cool Whip. Refrigerate overnight.