Paint pen or oil based sharpie,allow them to dry for at least 24 hours. Once 24 hours has passed place them in a cold oven (this is important! you want them to heat up with the oven). Turn the oven to 400 degrees and set a timer for 40 minutes.
Easy Crafts To Make And Sell For A Crafty Entrepreneur
Alcohol Inked Tile Coasters - 25 Decorative DIY Coasters You'll Be Proud to Show off . SourceIf you look at the finished product, you would never guess that these are DIY coasters. All you need are some tiles, rubbing alcohol and alcohol ink!
Buy plates from Dollar Store, write things like, Night Before Christmas, wedding vows for a gift. they used a Porcelain 150 Pen which is permanent and safe once baked for 30 mins in a conventional oven. --I like this idea!