1In large bowl, beat eggs, margarine, sugar, vanilla until light and fluffy.
Add flour, cocoa, and salt.
Beat until well blended. Fold in nuts. Spread batter into a 9 x 13 pan which has been greased.
Bake 40 to 45 minutes at 350*.
2Immediately after removing from oven, place dollops of marshmallow cream on cake, spread until smooth. Let cool 1 hour before frosting.
3Mud Cake Frosting:
1/3 cup margarine
1/2 cup unsweetened cocoa
1/3 cup milk
1 teaspoon vanilla
21/2 cups powdered sugar
4In saucepan melt margarine, stir in cocoa and cook 1 minute.
Remove from heat.
Add remaining ingredients.
Stir till smooth. Spread on top of marshmallow cream. When frosting has cooled, cut into 1 inch squares.