Mashed Potato Cake
["1/2 c. butter or margarine", "2 c. sugar", "3 eggs", "1 tsp. cinnamon", "1 1/2 c. flour", "1/2 tsp. cloves", "1 tsp. soda", "1 tsp. baking powder", "1 or 2 sq. chocolate, melted", "1 1/2 c. hot mashed potatoes", "1/2 c. sour milk (may need nearly 1 c.)", "raisins and nuts (if desired)"]
["Mix first 3 ingredients well.", "Sift dry ingredients in separate bowl.", "Add chocolate to hot mashed potatoes.", "Add to sugar, eggs and margarine mixture.", "Then add dry ingredients and milk.", "Bake 45 minutes to 1 hour in 375\u00b0 oven.", "Frost as desired."]
["butter", "sugar", "eggs", "cinnamon", "flour", "cloves", "soda", "baking powder", "chocolate", "hot mashed potatoes", "sour milk", "raisins"]