Chocolate-Potato Cake
["2 c. flour", "2 tsp. baking powder", "1/2 tsp. salt", "1/2 tsp. cinnamon", "1 c. shortening", "2 c. sugar", "4 eggs", "1 c. mashed potatoes", "1 tsp. vanilla", "1/3 c. milk", "1 c. chopped nuts"]
["Stir", "together", "flour,", "cocoa,", "baking powder, salt and cinnamon; set aside.", "In large bowl cream shortening and sugar until", "light.", "Add", "eggs", "and beat until fluffy.", "Add potatoes and vanilla;", "mix", "until well blended.", "Stir in flour mixture alternately with", "milk.", "Stir", "in", "nuts.", "Pour", "into", "13 x 9 x 2-inch pan.", "Bake", "at 350\u00b0 for 40 to 45 minutes or until done. Serve with ice cream or whipped topping."]
["flour", "baking powder", "salt", "cinnamon", "shortening", "sugar", "eggs", "potatoes", "vanilla", "milk", "nuts"]