Defrost the prawns if necessary. Carve lengthwise on the back and remove the dark gut. Rinse shrimps briefly and pat dry
Peel and chop the onion. Fry in 2 tablespoons of fat. Dust with flour and sauté briefly. Stir in a good 3/4 l water and stock, bring to the boil. Simmer for about 5 minutes.
Wash the wild garlic and cut into strips except for the hard stalks. Add wild garlic, except for 1 tbsp. and half the cream to the soup. Puree everything finely. Season to taste
Fry prawns in 1 tbsp. hot fat for 2-3 minutes, season. Beat the rest of the cream until half stiff. Serve the soup with cream, prawns and the rest of the wild garlic