2. Melt butter and olive oil in a large oven-safe skillet over medium-high heat. Season chicken with salt and pepper on both sides and place in the hot pan. Sear chicken for 2 minutes per side, then transfer the skillet to the oven and bake for 15 minutes longer. Once cooked, finish the chicken with citrus zest and juice and allow it to rest for 5 minutes.
3. Meanwhile, combine salsa ingredients in a small bowl.
4. Transfer chicken to a serving platter and spoon pan juices over. Top with salsa and serve. Serves 4