01 - In a medium bowl, whisk together the lime juice, honey, soy sauce, olive oil, garlic, salt, pepper, red pepper flakes, and lime zest until well combined. Stir in the chopped cilantro.
02 - Place chicken breasts in a large ziplock bag or shallow dish. Pour marinade over the chicken, ensuring all pieces are evenly coated. Seal or cover and marinate in the refrigerator for at least 30 minutes (up to 2 hours for more flavor).
03 - Preheat grill to medium-high heat. Lightly oil the grates.
04 - Remove chicken from marinade and discard the marinade. Grill chicken for 5–7 minutes per side, or until cooked through and internal temperature reaches 165°F.
05 - Transfer to a plate, cover loosely with foil, and rest for 5 minutes.
06 - Garnish with extra cilantro and serve with lime wedges if desired.