Possible Clues:

• Orzo alternative
• Italian food is consumed by king and emperor
• Good instruction under Italian dish
• Italian food is too much, feeding half of Rome
• The turn of the knight to go to and fro with rice
• A rice dish - for the raw beginner it's too complicated
• The knight is back there, going back and forth to get his food
• Savoury rice dish
• One way to go back to the knight to get food
• It's up to the knight to go up and down of course