Wash 2 stems of basil, chop finely. Knead with flour, fat, egg, parmesan and a little salt. Cover the mixture and chill for about 15 minutes
Peel and finely dice the onion and garlic. Wash the tomatoes and carve them crosswise. Fry everything briefly in hot oil. Stir in 3/4 l water and stock and bring to the boil. Cover and simmer for about 20 minutes
Form balls from the dumpling mixture. Carefully lift the tomatoes out of the stock. Let the dumplings simmer in the stock for 8-10 minutes. Wash the parsley,
chop. Arrange bouillon with dumplings. Sprinkle with parsley and garnish with the rest of the basil