White Cake
["3 c. flour", "3 tsp. baking powder", "2/3 c. shortening", "1 tsp. vanilla", "1/2 tsp. salt", "1 3/4 c. sugar", "1 c. milk", "5 egg whites"]
["Sift flour, baking powder and salt 3 times.", "Cream the shortening and sugar until very light. Add flour mixture alternating with milk and beat until smooth and light.", "Add vanilla and egg whites beaten very stiff; fold in well.", "Bake at 375\u00b0 for 25 minutes. Makes 3 layers."]
["flour", "baking powder", "shortening", "vanilla", "salt", "sugar", "milk", "egg whites"]