Peel and chop the onions. Fry in hot oil. Add stock, tomatoes with liquid, bay leaf and peppercorns. Chop the tomatoes, bring everything to the boil. Simmer at low heat for about 30 minutes. Then let it cool down
Carve tomatoes, blanch, peel. Deseed tomatoes, dice them. Wash and finely chop the dill.
Sieve the broth. Lightly beat the egg whites and stir into the cold tomato stock. Bring to the boil while stirring carefully, skimming off any foam that has formed. Pour the stock through a fine sieve or filter bag. Heat up again. Season to taste with salt, pepper and gin. Serve with tomato cubes and dill