Welcome to the Cake Decorators Q&A

How much red food coloring do u need to put into buttercream to make horny devil cake

Hello Davidr

Make the colour up the day before you need it as colour develops. Add small amounts of colour until it is a shade lighter than the red you want. Next day if the colour is too light add a little more. I’ve added this link http://www.cakeflix.com/questions/buttercream-splitting-when-coloured for you to read just in case you experience a curdling problem. Sometimes butter cream splits when too much colour is added and the answers there will help. Hope it helps.