This Juicy Meatballs without Breadcrumbs recipe is ideal for anyone following a gluten-free diet. These homemade meatballs are made with a mix of ground beef and pork, oats as a binding ingredient, freshly grated onion, Parmesan cheese, herbs, milk, and Worcestershire sauce. The result is a juicy and tender meatball that’s great for spaghetti night, meatball subs, or served as a simple protein-packed main. Bake, broil, or pan-fry for extra versatility and enjoy every bite.