This Baked Italian Sausage and Peppers recipe is a flavorful and easy one-pan meal perfect for weeknight dinners. Combining colorful bell peppers and onions with seasoned Italian sausage baked to perfection, it's finished with fresh basil and parmesan cheese for a classic Italian touch. Served with marinara sauce for dipping, this dish offers a comforting and satisfying experience with minimal prep and a quick bake time.