INSTRUCTIONS
1. In small bowl, combine Sazon, garlic, cilantro, olive oil, Adobo, oregano, cumin and hot pepper flakes until well combined.
2. Pat chicken dry with paper towels. Rub spice mixture all over chicken; transfer to non-reactive container or large zip-top bag. Cover and refrigerate for at least 4 hours, or up to 48 hours. Bring chicken to room temperature 30 minutes before grilling.
3. Heat grill to medium-high heat. Place chicken skin-side down over direct heat. Cook until skin is dark golden brown and crisp, 15-17 minutes. Carefully flip chicken; transfer to area of grill over indirect heat. Grill until chicken is cooked through (instant-read thermometer registers 165°F when inserted into thigh without touching bone), about 45 minutes more. Transfer chicken to platter. Let rest 15-30 minutes. Carve and serve.