Spaghetti 'n' Meatballs

1 package spaghetti (12 oz)
1 jar spaghetti sauce (28 oz)
1 batch meatballs (30) -- frozen or thawed
Parmesan cheese, optional -- grated

Cook spaghetti according to package directions.

Meanwhile, in a saucepan, combine spaghetti sauce and meatballs; cover and simmer for 15-20 minutes or until the meatballs are heated through.

Serve over spaghetti; top with Parmesan cheese if desired.

Note: Use Make Ahead Meatballs or buy frozen ones.