In a large bowl combine ground beef, egg, breadcrumbs, garlic, italian seasoning, parmesan cheese, and salt. Let rest in bowl for 20 minuts

Form the meat into balls (about 2 tbsp of meat to make each ball) and place on a parchment paper lined baking sheet

Bake for 18 minutes, remove from the oven, and let the baking sheet rest on the counter for 10 minutes

While the meatballs are baking warm the jar sauce in sauce pan. Once the meatballs are rest place them in the sauce pan and continue to cook on low until ready to eat.

Prepare the spaghetti to the box instructions.