Soak shashlik skewers in cold water for about 1 hour. Clean, wash and finely dice the cucumber. Peel garlic and dice finely. Mix yoghurt and quark. Stir in garlic and cucumber.
Season to taste with salt and pepper. Cover and put in a cool place. Peel and finely dice the onions. Put minced meat, mustard, breadcrumbs, salt, pepper, paprika, marjoram and eggs in a bowl. Knead with the dough hook of the hand mixer. Take the skewers out of the water and press approx. 24 longish loaves of the minced mass around the skewers. Heat the oil in portions in a large pan and fry the minced skewers in 3-4 portions for about 5 minutes each, turning them over. Keep warm. Serve bifteki skewers on a platter garnished with lemon slices and marjoram.
Knead with the dough hook of the hand mixer. Take the skewers out of the water and press approx. 24 longish loaves of the minced mass around the skewers. Heat the oil in portions in a large pan and fry the minced skewers in 3-4 portions for about 5 minutes each, turning them over. Keep warm. Serve bifteki skewers on a platter garnished with lemon slices and marjoram. Add yoghurt sauce in a small bowl