Decorate Your Plain White Plates! Simple, Easy, And Fun <3 by Decorate Your Plain White Plates! Simple, Easy, And Fun <3Use your old plates or go to the dollar store to buy some. Decorate your plate anyway you want with a sharpie, any colour you prefer. Bake at 350 F for approximately 30 minutes. ~THIS IS PERMANENT, SO DON'T WORRY ABOUT IF THE INK COMES OFF ~DISHWASHER SAFE!