Defrost the prawns. Mix ketchup and sour cream, season to taste. Clean, wash and halve the spring onions
Put rice in 100 ml of boiling salted water. Cover and let it swell at low heat for about 20 minutes
If necessary, cut the shrimps in the back and remove the dark gut. Rinse shrimps and pat dry. Wash the lemon and cut into thin slices. Halve the lemon slices and put them on skewers with the prawns
Heat the oil in a coated pan. Fry the skewers for about 2 minutes on each side. Season with salt and pepper and remove. Fry spring onions in hot frying fat for 2-3 minutes. Add 1-2 tbsp. water if necessary. Season with salt and pepper. Arrange everything. Wash parsley, chop finely and sprinkle over the rice