My Mother'S Orange Cake
["3 c. all-purpose flour", "1 c. shortening", "1 1/2 c. sugar", "3 tsp. baking powder", "1/2 tsp. salt", "3 egg whites", "1 c. whole milk"]
["Cream sugar and shortening; add slightly beaten egg whites. Mix flour, baking powder and salt and add alternately with milk to creamed mixture.", "Pour into two 8 or 9-inch cake pans and bake at 350\u00b0 for 45 minutes.", "Cool and spread filling between layers and on top of cake."]
["all-purpose", "shortening", "sugar", "baking powder", "salt", "egg whites", "milk"]