Mix mince, herb/spinach, bread crumbs, and eggs together.

Cut the mozzarella into around 1 cm by 1cm blocks.

Roll mince into desired sized meatballs.

Flatten the meatballs out a little and put a cube of mozzarella in each one and then roll the meatball back up.

Layer the bottom of the slow cooker bowl with just enough passata to cover the base.

Add a loosely rowed layer of meatballs

Then a layer of passata and continue until all meatballs are in the bowl.

You can now add some garlic and herbs if u wish and give a light stir to mix it through the sauce.Put the lid on and let them cook.

Serve with either mashed potato and mashed cauliflower or with yourfavourite pasta/spaghetti.

Cook for 5hrs on LOW or 2.5-3hrs on HIGH

Note: If you like this why not also try the similar http://www.slowcookercentral.com/recipe/brie-cheese-meatballs/