text: Strawberry lime cupcakes 1 box white cake mix 4 egg whites cup oil cup buttermilk cup lime juice cup sour cream Zest of 4 limes, Strawberry Buttercream Icing 1 cup butter softened 2 teaspoons vanilla 3 teaspoons strawberry gelatin cups Lime Cupcakes, Yummy Cupcakes, Cupcake Cookies, Lime Cake, Cupcake Wrappers, Cupcake Cupcake, Apple Cupcakes, Cupcake Wars, Cupcake Heaven