Japanese tricolor meatballs or mitarai meatballs. There are not many names of Japanese tricolor meatballs in China, and most of them are directly called Japanese tricolor meatballs, or their real names are mitarai meatballs. Tricolor meatballs are one of the most classic snacks in Japan. They are usually pink, white and green, and are made of baked sesame balls wrapped in sweet soy sauce.