On the day before, boil the sifted 2 ham bones (2, 5 kg), 1 kg of streaky bacon (in pieces), 1 kg of yellow shelled peas and 1 kg of green unshelled peas with 12 liters of water, skimming off any rising foam carefully.
Make 1 1/2 hours, then remove bacon and set aside wrapped in aluminum foil. Do peas and bones quietly for another 2 hours, stirring occasionally. Meanwhile, remove skins from 1 kg of carrots, 1 head of celery (about 800 g) and rinse. Cook the carrots whole, the celery in quarters, simmer both in the soup for 20 min, then remove with a skimmer and leave to cool with the lid closed. After the cooking time, cool the soup on a broiler in the open saucepan.
The following day, reheat the soup at a low temperature, stirring occasionally, repeatedly until it reaches boiling point. Take out the ham bones, remove the meat from the bones, chop and set aside. Clean 2 kg of leeks, rinse thoroughly and cut into slices, rinse anew and cook in the soup. Chop 3 bunches of flat-leaf parsley. Cut 150 g fat bacon into cubes. Cut carrots into slices, celery into cubes. Heat the bacon, parsley, meat and vegetables in the soup, season carefully with salt and strong black pepper from the mill, then fold in 1/2 liter of whipped cream. Cut the fat bacon very finely into cubes and crisp a