BUTTERFINGER CREAM CHEESE DESSERT

1Cup crushed butter flavored crackers about 30
1 Cup Graham Cracker Crumbs
5 Butterfinger Candy Bars (2.1)oz. crushed
3/4 Cup Marg. melted
1 1/2 Cup Cold Milk
2 Small Boxes Instant Vanilla Pudding Mix
1 Quart Chocolate Frozen Yogurt, softened
1 (12)oz. Bowl of Cool Whip, divided

In a large bowl combine the first 4 ings.
Set aside 1/2 cup for the topping.
Press the remaining crumb mixture in a 13 x 9 glass baking dish. Put in ref. and chill for 5 minutes. In a bowl mix the puddings and milk together.This will be thick. Let sit for 3 minutes. Then stir in the frozen yogurt and 1 cup cool whip. Beat until smooth. Spread this over the crust.  Then put the rest of the cool whip on top. Sprinkle the remaining crumb mixture over this. Ref. overnight before serving.