Chocolate Potato Cake Recipe

2/3 c. shortening or butter
2 c. sugar
1 c. mashed potatoes
1/2 c. sweet milk or coffee
2 c. flour
2 tsp. baking powder
1/4 tsp. salt
1/2 c. ground chocolate (prefer Ghirardeli's)
1 tsp. ground cinnamon
1 tsp. ground cloves
1/2 tsp. ground nutmeg
1 c. chopped walnuts
4 eggs

Cream butter and sugar. Add beaten egg yolks and hot mashed potatoes. Sift together 3 times, the flour, baking powder, salt, chocolate, spices; add nuts. Fold in stiffly beaten egg whites. Bake in three (a must) greased 8-inch layer pans at 350 degrees for 30 minutes. Cool for 30 minutes. Spread on marshmallow frosting and sprinkle with nuts. (Cake is also very good with a cream cheese icing and nuts.)