- 1 lb boneless, skinless chicken breast - 1 large onion, thinly sliced - 1 green bell pepper, thinly sliced - 1 red bell pepper, thinly sliced - 4 slices provolone cheese (or Cheez Whiz for that classic vibe) - 4 hoagie rolls - 2 tbsp olive oil - Salt and pepper to taste - Optional: garlic powder, Italian seasoning