if you'd like to decorate plain dishes with pen i recommend using pebeo porcelaine paint pens, after you've finished your work place the piece in room temp over and let it warm up with the oven, bake 30 min on max. temperature. painted and baked pieces are dishwasher safe!
It's funny how much money we spend on stuff we can make ourselves. - I present 31 incredibly easy and clever DIY projects