Palace Dishes are a type of treasure found in Spirit Tracks. They are ornate, decorated dishes used by past royalty for eating dessert. They can randomly be found throughout New Hyrule, and are awarded in various mini-games, such as the Goron Target Range, the Whip Race, and the Pirate Hideout mini-game. It can be sold for 500 Rupees, and can also be used to upgrade various Train Parts.
"You got a palace dish! Check it out on the Collection screen! Long ago, this elegant dish was a prized possession of the royal family."