BEAT 3 egg whites, 1/2 tsp. Pure Vanilla Extract and 1/4 tsp. Cream of Tartar until soft peaks form. Beat in 1/4 cup sugar, 1 tbsp. at a time, until stiff peaks form. BAKE as directed in meringue pie recipe.
To make baking powder, mix 1/2 tsp. Cream of Tartar and 1/4 tsp. each baking soda and cornstarch.