Burgundy Icing Color Wilton This gel-based Wilton Burgundy icing color gives you deep, rich color that won't change the consistency of your sweet treat. Perfect for coloring buttercream frosting, fondant, royal icing and more, this 1 oz. tub of burgundy gel food coloring is highly concentrated, so a little goes a long way. Get a cool, dark burgundy buttercream for a Christmas cake or a saturated, deep red for a striking birthday or Valentine?s Day treat. Simply apply a small amount of food dye to your frosting or fondant using a toothpick, then mix to incorporate. Add more to deepen and darken the color. Also safe to use in batters, doughs and other foods, this edible burgundy food dye is a great way to customize and personalize your treats.