1 pkg. spaghetti
1 (28 oz.) jar spaghetti sauce of your choice
1 batch frozen or thawed meatballs
grated Parmesan cheese (optional)

Cook spaghetti according to package directions.

Meanwhile, in saucepan, combine spaghetti sauce and meatballs; cover and simmer for 15 to 20 minutes or until the meatballs are heated through. Serve over spaghetti and top with Parmesan cheese, if desired.