Heat and stir until blended:

1/2 cup margarine
1/2 cup cocoa

Add and mix well:

1/2 cup powdered sugar
1 egg (beaten)
1 tsp. vanilla

Add, mix well, and press into greased 9x13 pan:

2 cups graham cracker crumbs

Combine the following, beat until smooth, and spread over the crust:

1/2 cup margarine
1/3 cup Creme De Menthe
3 cups powdered sugar

Melt the following together and spread over Menthe layer:

1/2 cup margarine
12 oz. chocolate chips
1 Tbsp. cream