Abstract: The apparatus comprises a primary steaming unit for exposing rice being conveyed on a first conveyor to steam, a water tank for immersing rice discharged from the first conveyor in hot water, a second conveyor for conveying rice discharged from the water tank, and a secondary steaming unit for exposing rice being conveyed on the second conveyor to steam.Above an inlet end of the second conveyor, a space is formed, which is free from intrusion of steam from the secondary steaming unit. A seasoning liquid feeder is disposed in the space for supplying a season liquid such as salt, shoyu, sake, vinegar to rice. An ingredient feeder for supplying vegetables, meat, fish and so on to rice is disposed in or near the space.