1 carrot, finely grated
2 garlic cloves, crushed
½ onion, finely chopped
1 red pepper, stalk removed, seeds removed, thinly sliced
227g tin chopped tomatoes
1 bay leaf
salt and freshly ground black pepper
1 tsp dried oregano
2 tbsp mild olive oil or sunflower oil
2 tbsp tomato purée
250g/9oz grated mozzarella
200g/7oz sliced ham, finely chopped
12 white or wholemeal pitta breads