1 medium onion, finely chopped
1 chicken stock cube
400g tin chopped tomatoes
1 tbsp tomato ketchup
125g/4½oz dried penne pasta, or other pasta shapes
ground black pepper
½ tsp dried mixed herbs or oregano
1 tbsp vegetable oil
20g/¾oz mature cheddar, finely grated
250g/9oz turkey thigh mince