01 - In a medium bowl, whisk together olive oil, lemon zest and juice, orange zest and juice, minced garlic, honey, Dijon mustard, sea salt, and black pepper.
02 - Add chicken breasts to the marinade, coating thoroughly. Cover and refrigerate for at least 20 minutes, up to 2 hours for enhanced flavor.
03 - Preheat oven to 400°F or heat an ovenproof skillet or grill pan over medium-high heat on the stovetop.
04 - Remove chicken breasts from marinade, letting excess drip off. Reserve marinade. Sear chicken in lightly oiled skillet or grill pan for 2-3 minutes per side until golden brown.
05 - Pour reserved marinade over the seared chicken and sprinkle chopped basil on top. Transfer skillet to preheated oven.
06 - Bake for 15-18 minutes until internal temperature reaches 165°F (74°C).
07 - Allow chicken to rest for 5 minutes before serving. Garnish with lemon slices and extra basil leaves.