Preheat oven to 350* Place beef, egg. onion, bread crumbs, parmesan, milk, garlic, worcestershire, mustard, hot sauce, salt, pepper, and garlic salt into a large mixing bowl stirring until just combined. Take 1/4 cup beef mixture and press into center with your thumb. Place cheese in the middle and enclose with the beef, making sure the cheese is completely covered. Bake for 30-35 minutes until cooked through.
Serving Size 1 meatball
Servings 10