SO SIMPLE - USE JUST LIKE A NORMAL TEXTA! Edible Ink Markers are perfect for decorating all of your edible treats. Write and draw on any food surface firm enough to write on, such as ð Rolled Fondant, Royal Icing, Marzipan, Donuts, Cookies, Gum Paste, Ganache, Pastries, Wafer/Rice Paper and White Chocolate. Perfect for stenciling, stamping or using freehand. Also a great idea for the kids to get in on the decorative fun and draw something unique! With a thick and thin tip end, it allows for general drawing use and finer details.