Potato Cake

Ingredients :

one cup butter or margarine, softened
two cups sugar
two eggs
one cup chilled mashed potatoes
one teaspoon vanilla extract
two cups all-purpose flour
1/4 cup baking cocoa
one teaspoon baking soda
one cup milk
one cup chopped nuts

Directions :

In a mixing bowl, cream butter & sugar until fluffy. Add eggs, separately, beating well after each addition. Blend in potatoes & vanilla. Combine flour, cocoa & baking soda; add alternately with milk, blending well after each addition. Stir in nuts. Pour in to a greased 13-in. x 9-in. x 2-in. baking pan. Bake at 350 degrees F for 40-45 minutes or until cake tests done. Icy on a wire rack