Brush or peel the potatoes vigorously under water. Place potatoes on 1 tablespoon each and cut 6-7 times vertically up to the edge. Put them into an ovenproof dish, season with salt
Melt the fat and pour over the potatoes. Sprinkle with breadcrumbs. Bake in the preheated oven (electric cooker: 175 °C / convection oven: 150 °C / gas: level 2) for 40-45 minutes
Wash the maties, dab dry and cut into pieces. Peel the onions. Clean and wash the radishes. Onions in rings, radishes in columns cut. Cut gherkins into slices
Mix sour cream and yoghurt. Season to taste with salt, pepper and a little sugar. Wash the dill, chop finely and stir into the sauce. Mix with matie, onions, radishes and gherkins. Serve with the baked potatoes