White Cake
["2 1/2 c. flour", "1 tsp. salt", "4 tsp. baking powder", "2/3 c. Crisco", "1 tsp. vanilla", "1 1/2 c. sugar", "1 1/4 c. milk", "2/3 c. unbeaten egg whites"]
["Sift the flour, salt and baking powder together.", "Add remaining ingredients, except egg whites.", "Beat 1 1/2 minutes on low and 1 1/2 minutes on high.", "Add unbeaten egg whites.", "Beat another 1/2 minute.", "Bake 35 to 40 minutes at 350\u00b0 in 9 x 13-inch cake pan."]
["flour", "salt", "baking powder", "Crisco", "vanilla", "sugar", "milk", "unbeaten egg whites"]