Mix flour, margarine, and chopped nuts. Mold into 9x13 greased pan. Bake at 350 degrees for 15 minutes. Cool. Mix cream cheese, sugar, and 1/2 of the whipped topping. Spread over crust. Mix puddings with milk. Spread over cream cheese layer. Cover with remaining whipped topping. Sprinkle with grated chocolate bar.
Notes
Betty has always had a crush on Redford-- And everyone likes the dessert!