1 c. butter
1 1/2 c. sugar
6 egg yolks
2 tsp. brandy flavoring
2 tsp. sherry flavoring
1 tsp. ground allspice
1 tsp. ground cinnamon
1 tsp. ground ginger
1/2 tsp. ground nutmeg
Grated rind and juice of 1 lemon
2 1/2 c. mashed, cooked sweet potatoes
6 egg whites, stiffly beaten

Cream together butter and sugar; add egg yolk, beating well. Stir in flavorings, spices, lemon rind and juice. Add sweet potatoes; beat until mixture is smooth. Fold in egg whites. Turn into greased shallow 2 quart baking dish. Bake in 350 degree oven 50 to 60 minutes. Yields 8 servings.