01 - In a small bowl, whisk together the lemon zest, lemon juice, garlic, honey, Dijon mustard, and half of the chopped basil. Set aside.
02 - Season chicken breasts with salt and pepper on both sides, ensuring even coverage.
03 - Heat the olive oil in a large skillet over medium-high heat. Add the chicken and cook for 5-6 minutes per side, until golden brown and cooked through (internal temperature 165°F). Remove chicken to a plate and cover loosely with foil.
04 - Lower the heat to medium. Add the lemon-basil mixture and chicken broth to the skillet, scraping up any browned bits. Simmer for 2-3 minutes until slightly reduced.
05 - Stir in the butter until melted and the sauce is glossy. Return the chicken to the skillet, turning to coat in the sauce. Sprinkle with the remaining basil.
06 - Serve hot, garnished with extra basil and lemon slices if desired.