Brush the potatoes vigorously under water, cover and cook for about 15 minutes. Quench, peel if necessary and let cool down
Mix sour cream and quark until smooth. Peel garlic, chop finely and add. Wash the chives, cut into small rolls and stir in, except for a little bit for garnishing. Season "Sour Cream" with salt and pepper and chill
Soak the toast. Peel and finely chop the onion. Knead with minced meat, egg, expressed toast, salt, pepper and paprika. Form approx. 16 small balls with moistened hands
Clean, wash and cut the zucchini into thick slices. Wash the tomatoes. Clean and wash mushrooms. Put meatballs, potatoes, zucchini and tomatoes on the skewers. Put them into barbecue trays
Grill on the hot grill for about 15 minutes. Grill the mushrooms for about 5 minutes. Season with salt and pepper. Arrange everything with sour cream, sprinkle with chives