Mix tin of tomatoes with garlic, tomato paste, Worcestershire sauce and chopped onion and put into slow cooker.

Lay each steak flat and put some spinach and cheese on top.

Roll up and tie with kitchen string or secure with toothpicks.

Place roll ups on top of sauce, season to taste and place a tea towel under the lid.

Cook for 4-6hrs on low

Serve with veggies and mash potato.