1 onion, thinly sliced
400g chopped tomatoes with herbs
160驳/5戮辞锄 green lentils (preferably Puy)
2 tbsp olive oil
1 chicken or pork stock cube
400g/14oz sausages, ideally spicy sausages such as Toulouse or Spanish-style pork
75ml/2陆fl oz oz red wine, or extra stock