Preheat oven to 350 degrees.
FOR THE MEATBALLS:
In medium bowl, combine onion, parsley, garlic, egg, breadcrumbs and salt. Add ground beef, pork and Parmesan cheese. Mix to combine. Shape into 1" balls. Place on baking sheet sprayed with non-stick cooking spray and bake for about 25 minutes or until brown. Instead of baking, meatballs can be sautéed in skillet. Drain off any fat.