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 water if necessary. Cool the haricot beans.
Dice or grate coarsely the beetroot.
Chop the prunes. Combine all the ingredients. Season the salad with salt and pepper to taste.
Dress the salad with vegetable oil, put it into salad bowl and decorate with herbs.