
Using a mini food processor, grind the chicken until it's coarsely ground. You can also chop it with a knife. Mix the chicken with all the ingredients and set aside in the fridge for 20 minutes.
Place about a tablespoon of filling on each wrapper, then gather the sides while leaving the center open. If desired, trim any uneven edges with scissors to make the shu mai look neater.
Garnish the top with a green pea and some tobiko. Steam in a bamboo steamer for about 5 minutes. Serve immediately.