Strawberry Cake
["2/3 c. shortening", "1 1/4 c. frozen strawberries or fresh", "2 1/2 c. cake flour", "3 tsp. baking powder", "1 1/4 c. sugar", "1 tsp. salt", "5 egg whites, stiffly beaten", "1/2 c. sugar"]
["Cream shortening.", "Add strawberries, thawed and thoroughly mashed.", "Add sifted dry ingredients.", "Beat two minutes with electric mixer.", "Stiffly beat egg whites.", "Gradually add 1/2 cup sugar.", "Add to strawberry mixture.", "Beat 1 minute at medium speed. Bake in two 9-inch pans at 350\u00b0 for 30 minutes."]
["shortening", "frozen strawberries", "cake flour", "baking powder", "sugar", "salt", "egg whites", "sugar"]