Peel the shrimps, except for the tail fin, and remove the intestines. Wash the shrimps and pat them dry. Cut bread into cubes. ##Zucchini## clean, wash and cut into thin, long strips.
Peel, wash and cut the parsley root into pieces. Peel onion and garlic and chop finely. Heat 1 tablespoon of oil in a saucepan. Fry ##parsley## roots, onion and garlic in it for 3-4 minutes until transparent.
Season with a little salt and deglaze with broth. Cover and simmer for about 15 minutes. Heat 2 tablespoons of oil in a frying pan. Fry the bread cubes for 2-3 minutes while turning them. Add sesame seeds and roast for about 2 minutes.
Remove bread and sesame seeds and let them drip off on kitchen paper. Heat 2 tablespoons of oil in a clean frying pan. Fry the prawns for about 4 minutes, turning them once. Season prawns with salt and take them out.
Add zucchini strips and 5 tablespoons of water to the hot frying fat. Steam zucchini for 3-4 minutes until soft, season with salt and pepper, add shrimps again and keep warm. Puree the parsley roots in the broth very finely with the chopping stick.
Add cream to the soup, bring to the boil and season to taste with salt, ##pepper##, lemon juice and sugar. Foam the soup with the cutting stick (if it is too thick, just dilute it with e.g. some milk).
Arrange the soup, prawns, croutons and zucchini strips in bowls.