Wash the potatoes and cook in boiling water for about 20 minutes
Wash, clean and cut the peppers into pieces. Wash and clean the zucchini and cut off 3 thin slices lengthwise. Wash the fish, dab dry, season with salt and pepper and wrap with slices of courgette
Drain the potatoes, rinse with cold water and peel. Put potatoes, fish parcels and peppers on wooden skewers. Heat the oil in a pan and fry the skewers for about 8 minutes, turning them over
Wash herbs, shake dry. Cut cress from the bed. Cut chives into small rolls. Pluck dill flags from the stalks, pluck parsley leaves from the stalks. Herbs, except for some cress for sprinkling, puree curd and vinegar. Season to taste with salt, pepper and sugar. Arrange skewers and sauce. Sprinkle with cress