Preheat your oven to 350ºF. Heat the oil in frying pan. Sauté the onion until lightly browned. Add soup and chili pepper. Arrange a layer of turkey, noodles, and soup mixture in a casserole dish. Sprinkle lightly with salt, pepper, and grated cheese. repeat layers. Sprinkle remaining cheese on top and bake for 30 to 40 minutes. Serve with green vegetables or salad. Serves 4