Baked Spaghetti

Ingredients:
- 1 lb. ground beef
- 1/2 c. onions, chopped
- 1 (8 oz.) pkg. spaghetti
- 1 can or pkg. spaghetti sauce or using pkg. add 8 oz. can tomato sauce
- 1/2 c. mushrooms
- 1/2 c. Parmesan cheese
- 2 c. Mozzarella cheese

Directions:
- Cook spaghetti as directed.
- In another skillet, cook hamburger with onion and mushrooms until done.
- Drain off.
- Add spaghetti sauce and simmer about 15 minutes.
- Add to spaghetti with Parmesan cheese.
- Mix well in a casserole dish.
- Top with Mozzarella cheese.
- Cook until cheese is turning light brown in a moderate oven.