35 Ritz crackers
3/4 stick butter

Crush crackers. Melt butter. Mix together. Press in 9 x 9 x 2 inch pan. Bake at 350 degrees for 10 minutes and let cool.

FILLING:

2 sm. pkgs. pistachio pudding (instant)
1 1/2 c. milk
1 qt. vanilla ice cream
1 container Cool Whip

Mix pudding and milk thoroughly. Blend in a quart (or more) of vanilla ice cream. Pour mixture into crust and let stand in refrigerator for 30 minutes. Spread Cool Whip on top and refrigerate.