01 - Whisk olive oil, lemon zest and juice, chopped basil, minced garlic, coriander, cumin, paprika, chili flakes, salt, and black pepper in a large bowl.
02 - Add chicken breasts to the marinade, turning to coat evenly. Cover and refrigerate for at least 20 minutes or up to 2 hours.
03 - Preheat oven to 400°F or heat grill/grill pan over medium-high heat.
04 - Remove chicken from marinade, allowing excess to drip off.
05 - For oven: Arrange chicken on parchment-lined baking sheet; bake 20–25 minutes until internal temperature reaches 165°F and juices run clear. For grill/grill pan: Cook 6–7 minutes per side until cooked through.
06 - Let chicken rest for 5 minutes, then slice and serve garnished with lemon wedges and fresh basil.