INGREDIENTS for 4 people1 lb (1/2 kg) navy beans 3 carrots, peeled and sliced1 onion, peeled and chopped3 stalks celery, chopped (leaves included)1 stalk leek, peeled and chopped1 cup tomato sauce1 cup olive oilParsleyDillSaltPepper and maybe a chili pepperAlso watch: lentil soup https://www.youtube.com/watch?v=hezxeo5NBK0