Recipes > Cakes > Blue Velvet Cake Blue Velvet Cake Email Print This cake is yummy. Ingredients One Box Duncan Hines Blue Velvet Cake Mix (currently only available in U.S.A. - my girlfriend sent a box for lucky me) One Tub Duncan Hines Creamy Home-style Vanilla Frosting Directions Bake cake according to box - make sure you use butter not margarine. Frost when cool.