Meringue For Pies
["3 egg whites", "1/4 tsp. lemon juice", "6 Tbsp. sugar", "1/2 tsp. vanilla"]
["Beat egg whites with lemon juice until frothy.", "Gradually add sugar.", "Beat until stiff and sugar is dissolved.", "Add vanilla and pour over pie."]
["egg whites", "lemon juice", "sugar", "vanilla"]