2 rounded c. Ritz crackers, crushed
3/4 stick butter, melted
2 pkgs. instant pistachio pudding mix
2 c. milk
4 c. vanilla ice cream

Mix crackers and butter and press into 9x13 inch pan. Mix pudding and milk with electric mixer for 2 minutes. Add ice cream, mix at slow speed. Pour pudding mixture on to crust. Let set in refrigerator 30 minutes. Spread Cool Whip over top and sprinkle with shaved chocolate. Refrigerate.