The game features a variety of ingredients that you must unlock to increase your food rating:

: Use tickets from the arcade or video machine outside to buy specific dish elements.

: Tap the lucky cat display in the hall to receive ingredients periodically.

: Beef Tripe, Octopus Balls, Fat Cow, Quail Eggs, Fish Cakes, and Pork.

For the mobile game , "pieces" typically refer to the dish elements used to develop new menu items or the flavor components used to create broth. How to Get and Use Dish Pieces