White Cake
["1 1/2 c. sugar", "1/2 c. butter", "1/4 tsp. salt", "2 1/2 c. flour", "2 tsp. baking powder", "1 c. sweet milk", "3 egg whites", "1 tsp. each vanilla and lemon"]
["Cream together sugar and shortening.", "Sift salt, baking powder and flour four times.", "Add flour and milk alternately.", "Beat well and add flavoring.", "Fold in well beaten egg whites.", "Put in greased and floured pan.", "Bake in moderate oven."]
["sugar", "butter", "salt", "flour", "baking powder", "sweet milk", "egg whites", "vanilla"]