Wash the chives, dab dry and cut into fine rolls. Mix cream cheese, horseradish, milk and chives, except for a little bit for sprinkling. Season to taste with salt and pepper
Peel onions and cut them into rings. Heat 2 tablespoons of oil in a frying pan. Fry the onions for 2-3 minutes. Sprinkle with sugar and caramelise. Deglaze with vinegar, simmer for about 2 minutes, season with salt and pepper. Wash the meat, dab dry and cut in half or in thirds depending on the size. Heat 2 tablespoons of oil in a frying pan and fry the veal cutlets in it for about 2 minutes on each side, season with salt and pepper, remove
Cut the buns in half lengthwise. Spread the undersides with cream cheese mixture, cover with 1-2 pieces of meat and some onions. Arrange rolls on plates, sprinkle with chives. Place the tops of the rolls on top