Purple Ombre Layer Cake. Pour batter into pans. Pour batter into pans.
Place the white cake layer on a 6-inch cake board. Generously spray four 8- or 9-inch round cake pans with baking spray with flour2Make cake batter as directed on boxes. Pour batter into pans.
Bake and cool as directed on box for 8- or 9-inch rounds.
Add food color to make 4 different shades of the same color. White ready made Frosting. Divide batter equally among 4 bowls. Purple Ombre Layer Cake.