Meat fry in the butter. Add the chopped onion and diced potatoes. Once stifled, pour the water in which they were soaked mushrooms. Soup boil 15 minutes. Add grated carrots and chopped brussels sprouts. Boil for 15 minutes. Separate the meat from the bones, cut into pieces and together with the peeled and cut tomatoes into quarters, put into the soup. Dovaryava are still about 5 minutes on low heat. Season with salt, ground black pepper chopped parsley.