01 - Set grill or grill pan to medium-high heat, approximately 400°F.
02 - In a small bowl, combine olive oil, smoked paprika, garlic powder, onion powder, sea salt, ground black pepper, and lime juice.
03 - Pat chicken breasts dry. Brush both sides evenly with the marinade.
04 - Place chicken breasts on the grill. Cook for 6 to 7 minutes per side, ensuring internal temperature reaches 165°F. Once cooked, transfer to a plate and allow to rest for 5 minutes.
05 - While chicken grills, combine diced avocados, cherry tomatoes, red onion, cilantro, lime juice, sea salt, black pepper, and jalapeño (if using) in a medium bowl. Toss gently to coat.
06 - Arrange grilled chicken breasts on serving plates and top generously with avocado salsa.