Place chicken in a dish. Whisk all ingredients for the marinade together then pour over the chicken. Cover and place in the fridge to marinate for 3+ hours. I marinated mine for 24 hours.
Heat up grill or grill pan and grease. Once very hot, put chicken out of marinade and place on grill or grill pan to cook for 4-5 minutes per side, or until cooked through and no pink remains.
While chicken cooks, place a medium pan over medium heat. Add ghee along with red bell peppers. Let cook until peppers begin to brown and soften, about 8-10 minutes. Once done, add cilantro, lime juice and salt and mix to combine.