01 - Whisk together honey, olive oil, lime zest, lime juice, garlic, chili powder, salt, and pepper in a medium bowl until well combined.
02 - Place chicken breasts in a resealable plastic bag or shallow dish. Pour marinade over the chicken, ensuring all pieces are well coated. Marinate in the refrigerator for at least 30 minutes, up to 4 hours for deeper flavor.
03 - Combine diced mango, red onion, bell pepper, jalapeño, cilantro, lime juice, salt, and pepper in a bowl. Toss gently to combine and refrigerate until ready to serve.
04 - Preheat grill or grill pan over medium-high heat. Remove chicken from marinade and discard excess liquid.
05 - Grill chicken for 6 to 7 minutes per side, or until cooked through and juices run clear. Internal temperature should reach 165°F.
06 - Transfer grilled chicken to a clean plate and let rest for 5 minutes to allow juices to redistribute.
07 - Top each chicken breast with generous spoonfuls of mango salsa. Garnish with lime wedges and extra cilantro if desired. Serve immediately.