Fry the flour in butter, stirring constantly until golden brown.
Peel all shrimps. Fry the shells in vegetable oil for 5 minutes.
Transfer the shells to a blender bowl, pour in the broth and beat until smooth. Strain the finished mixture through cheesecloth or a fine sieve. Pour our broth into a frying pan with flour and stir well.
Chop onions, carrots and sweet before chop and fry, in the pan where the shells were fried, until soft. Finally, add the peeled shrimp and cook for another minute.
Add peeled tomatoes, grated on a grater, into the pan. Simmer for 5 minutes, add garlic at the end.
Beat the vegetables with shrimps with a blender until smooth. Pour the prepared mass into a frying pan with flour and broth, stir and bring to a boil.
Pour the prepared soup into bowls and garnish with king prawns. Enjoy your meal!!!