Defrost the prawns. Clean, wash and cut the salad into very thin strips. Clean, wash and finely chop the spring onion. Dill wash, dry
Stir sour cream, lemon juice and approx. 1⁄2 tsp. sugar until smooth. Stir in spring onion and dill. Season to taste with salt and pepper. Rinse shrimps cold and dab dry. Mix prawns and salad with the cream sauce.