1/2 c. soft butter
1/2 c. shortening
2 3/4 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"x5"x3" loaf pans and 8 greased muffin pan cups. Bake in moderate oven, 375 degrees, for 1 hour. Makes 2 loaves plus 8 muffins.