Peel or clean, wash and roughly chop the carrots and leeks. Wash the meat. Boil everything with 1 1/2 l water, 1 tablespoon salt, bay leaf, cloves, peppercorns and 100 ml vinegar. Simmer covered for 1 1/2-1 3/4 hours. Skim in between
Peel onions and cut them into rings. Soak gelatine in cold water. Remove meat and vegetables from the stock. Sieve broth. Let it boil down to 1 l at high heat for about 10 minutes. Cook the onion rings in the stock for about 3 minutes. Stir about 150 ml vinegar and sugar into the stock. Season to taste with salt and pepper. Squeeze the gelatine and dissolve in the hot stock
Cut the rind off the meat, remove the bones. Cut meat into thick slices. Cut carrots and half of the gherkins into slices. Layer with the meat in a large flat dish. Pour the broth and onions over it. Chill overnight
Hard boil eggs. Quench, peel and let them cool down. Finely dice the rest of the cucumbers. Wash and chop parsley. Dice eggs finely. Mix everything with salad cream and yoghurt. Season to taste with salt and pepper. Arrange everything. Fried potatoes taste good with it.