2 carrots, peeled and roughly chopped
2 celery sticks, roughly chopped
300驳/10陆辞锄 chestnut mushrooms, wiped
2 garlic cloves, roughly chopped
2 onions, roughly chopped
400g tin lentils, including the liquid from the tin
freshly cooked pasta, to serve
sea salt and freshly ground black pepper
1 tsp caster sugar (optional)
陆 tsp ground cinnamon
5 tbsp olive oil
1 tsp dried oregano
2 tbsp tomato pure虂e
200ml/7fl oz full-fat milk (or plant-based milk)
grated hard cheese (such as Parmesan, or a vegetarian or vegan alternative), to serve (optional)