01 -
Add chicken thighs to a plastic bag or a large baking dish and set aside.
02 -
Combine soy sauce, mangos, garlic, ginger, and water in a small blender or food processor. Pulse until smooth.
03 -
Reserve ¼ cup of the marinade, then pour the rest over the chicken. Seal the bag shut and refrigerate for at least 2 hours, or up to 8 hours.
04 -
Preheat grill to 400°F (204°C). Remove chicken from the bag using tongs, shaking off excess marinade. Grill chicken for 6-7 minutes per side.
05 -
Place grilled chicken on a serving platter or plate. Brush with the reserved sauce and garnish with chopped cilantro, if desired.