paleo frosting The Best Paleo Frosting Ever palm shortening, honey, vanilla, arrowroot, coconut flour, coconut oil, sea salt Frost cake immediately, or store in fridge (if you store in the fridge, re-whip before using) If you want to pipe this frosting, put into the fridge until firm and then use a cake decorator and pipe the frosting into beautiful designs. It’s best to take out of the fridge and let sit at room temperature for a few minutes before piping.