Cut low moisture mozzarella cheese into ¾ inch cubes cubes. Store in refrigerator while preparing the meat.
In a large mixing bowl combine: pound ground beef pound hot ltalian sausage ½ tsp garlic powder 2 tsp salt tsp black pepper 1 cup bread crumbs ¼ cup parmesan cheese 2 eggs ½ cup whole milk ½ cup chopped parsley.
Roll golf ball sized balls with the meat mixture. Squish mozzarella cube into the center and pull the edges of the meat ball around it until it's a new ball again.
Arrange meatballs in slow cooker and cover in tomato sauce.
Cook in slow cooker.
