01 -
In a medium bowl, whisk together the soy sauce, ginger, garlic, honey, rice vinegar, sesame oil, black pepper, and red pepper flakes (if using).
02 -
Place the chicken breasts in a large resealable bag or shallow dish. Pour the marinade over the chicken, ensuring all pieces are well coated. Seal and refrigerate for at least 1 hour, or up to 8 hours for deeper flavor.
03 -
Preheat grill to medium-high heat. Lightly oil the grates.
04 -
Remove chicken from marinade, letting excess drip off. Discard the used marinade. Grill chicken for 6–8 minutes per side, or until cooked through and an internal temperature of 165°F (74°C) is reached.
05 -
Transfer chicken to a plate and let rest for 5 minutes. Slice and garnish with green onions and sesame seeds before serving.