1 medium onion, finely chopped
400g tin chopped tomatoes
400g tin green lentils, drained
3 tbsp tomato ketchup
250g/9oz dried penne pasta, or any pasta shapes
1 beef stock cube
salt and freshly ground black pepper
陆 tsp dried mixed herbs
75驳/2陆辞锄 cheddar, finely grated
250g/9oz beef mince, any type