1 cup du Puy lentils (French green lentils)
1 carrot, chopped
1 yellow onion, sliced
1 bay leaf
1 fresh thyme sprig, or 1/4 tsp dried
4 cups chicken or vegetable stock
Salt and freshly-ground black pepper
Optional: lemon Juice
3 tbs olive oil
1 small chorizo sausage, thinly sliced