Pre-heat oven to 375 degrees F. Melt butter in your cast iron pan or (other oven safe skillet) over medium heat.
Once pan is hot, add chicken breasts and cook each side for 3 minutes. Don't move while cooking.
While the chicken is cooking, mix up the sauce of orange juice, jam, chili sauce, garlic powder, salt and pepper.
Once the chicken has been cooked for 3 minutes on each side, pour the sauce oven the chicken.
Add zucchini and peaches to the pan. Gently turn the zucchini and peaches in the pan to get them covered in some sauce. Spoon some of the sauce over the chicken breasts too. Season with some salt and fresh pepper to taste. Allow to cook for another 3 minutes.
After 3 minutes, place the whole skillet into the pre-heated oven for another 10 minutes or until the internal temperature of the chicken reads 165F. Serve hot with basmati rice.