Put the raw white haricot beans in 2 liters of cold water for 8 hrs. The haricot beans should soak and triple in size. Pour off the water 8 hrs later.
Put the haricot beans into the pot, cover with 1 liter of cold water, and cook through (approximately 60 mins). Add some cold water if necessary. Add the salt 20 mins before the end of cooking.
Coarsely grate or dice the carrot. Fry in frying pan until soft. Dice the onion, add to the frying pan, and fry for 10 minutes with onion.
Add the haricot beans, chopped garlic, salt, pepper, and spices to the vegetables. Stir well, and then add a little of water and tomato paste. Braise for 25-35 mins.
Serve portioned either hot or cold. Dress with lettuce leaves and sprinkle with herbs.