Grease a casserole dish well and put drained spaghetti, onion, green pepper, garlic powder, tomato soup, tomato sauce and grated cheese in casserole. https://www.yummly.com/recipes/simple-spaghetti-sauce-without-meat Cook spaghetti and drain. garlic cloves, olive oil, spaghetti, vinegar, fresh oregano, chipotle chilies and 4 more. Bake uncovered at 350 for one hour.