White Buttermilk Sheet Cake
["2 c. sugar", "1/2 c. Crisco", "pinch of salt", "1 tsp. vanilla", "1 tsp. soda", "2 egg whites, unbeaten", "1 3/4 c. buttermilk", "2 3/4 c. cake flour"]
["Cream sugar and shortening.", "Add vanilla and then salt.", "Add egg whites one at a time, beating after each one.", "Beat in 2 tablespoons flour.", "Add 3/4 cup buttermilk with baking soda added. Add remaining flour and buttermilk alternately.", "Bake at 350\u00b0 for 25 to 30 minutes in 10 x 15-inch sheet cake pan that has been greased and floured.", "Cool and frost with buttercream frosting."]
["sugar", "Crisco", "salt", "vanilla", "soda", "egg whites", "buttermilk", "cake flour"]