<https://homemadeonaweeknight.com/2021/04/04/french-onion-meatball-sub/#recipe>
<http://schema.org/keywords>
"cheese, ground beef, ground pork, meatballs, onions, sandwich, sub"
<https://homemadeonaweeknight.com/2021/04/04/french-onion-meatball-sub/>