Sweet Potato Nut Bread
["1/2 c. soft butter or margarine", "1/2 c. shortening", "2 2/3 c. sugar", "4 eggs", "2 c. cold mashed sweet potatoes", "3 1/2 c. sifted all-purpose flour", "1 tsp. salt", "1 tsp. cinnamon", "1 1/2 tsp. nutmeg", "2 tsp. baking soda", "1 c. chopped walnuts", "2/3 c. cold strong black coffee"]
["Cream butter, shortening and sugar.", "Add eggs, one at a time, mixing well after each addition.", "Blend in sweet potatoes.", "Sift together dry ingredients; add nuts.", "Stir into creamed mixture alternately with cold coffee.", "Pour batter into 2 greased 9 x 5 x 3-inch loaf pans and 8 greased muffin pan cups.", "Bake in moderate oven (375\u00b0) for 1 hour for loaves and 25 minutes for muffins, or until they test done in center.", "Cool 10 minutes; remove from pan and cool completely.", "Makes 2 loaves, plus 8 muffins."]
["butter", "shortening", "sugar", "eggs", "cold mashed sweet potatoes", "flour", "salt", "cinnamon", "nutmeg", "baking soda", "walnuts", "cold strong black coffee"]