Meat Loaf Parmesan

Ingredients:
- 1 lb. lean ground beef
- 1/2 c. spaghetti sauce, divided
- 1/2 c. dry bread crumbs
- 1/2 c. (2 oz.) grated Parmesan cheese, divided
- 1/4 c. finely chopped onion
- 1 egg, beaten
- 1/2 tsp. Italian seasoning

Directions:
- Heat oven to 375°.