Grasshopper Dessert - cooking recipe

Ingredients

1 box Ritz crackers, crushed
3/4 c. melted butter
2 small pkg. pistachio instant pudding
1 c. milk
3 pt. softened vanilla yogurt or ice cream
1/4 c. chopped nuts
1 small Cool Whip

Preparation

Mix cracker crumbs and melted butter together for crust.
Pat in bottom of 9 x 13-inch Pyrex dish.
Mix all other ingredients, except Cool Whip and nuts.
Pour over cracker crumbs.
Top with Cool Whip and sprinkle with nuts.
Freeze for at least 3 hours.