Like any other food dye, natural food coloring comes in two forms: liquid or powdered. It’s all a matter of which ingredient you’re using to make the dye. Something like beet or carrot juice ...

For royal icing, start with 1½ teaspoons of powder or ¾ teaspoon liquid concentrate per cup of icing. For natural food coloring for buttercream frosting, you'll need more; try 1 tablespoon of ...