Easy Good Frosting
["2 egg whites", "2-1/2 c. powdered sugar", "1/4 c. butter or crisco, room temperature", "1-1/2 tsp. vanilla or lemon extract", "Pinch of salt"]
["Beat egg whites until stiff; slowly add powdered sugar and beat well.", "Add butter, vanilla extract, and salt.", "Spread on cake.", "(Add food coloring if desired.)"]
["egg whites", "powdered sugar", "butter", "vanilla", "salt"]