Sweet Potato Loaf Cake - cooking recipe

Ingredients

2/3 c. butter or shortening
2 c. sugar
1 c. sweet potatoes, mashed
4 eggs, beaten separately
2 c. sifted cake flour
2 heaping teaspoons cocoa
2 tsp. pumpkin pie spice
1 Tbsp. baking powder
1/2 tsp. soda
1/2 tsp. salt
1 c. chopped pecans
1/2 lb. seedless raisins
1 tsp. vanilla

Preparation

Sift 1 1/2 cups flour with other dry ingredients three times. Dust raisins and nuts with other 1/2 cup flour.
Cream butter and sugar.
Add potatoes and then egg yolks.
Add flour mixture and 1/2 cup milk.
Stir in nuts and raisins.
Fold in beaten egg whites. Bake in a 350\u00b0 oven for 50 to 60 minutes.