To-cooked and strained broth from the bones add the vegetables, cut into cubes, which are placed in broth depending on the time needed for cooking - first put in hard, and when tender and add the softer vegetables. Salt. When vegetables are ready milk is mixed with the flour and the obtained mixture was poured little by bubbling broth. This mixture was stirred in the fire until boil. Remove from heat and add to the boiling soup while stirring. Add salt and vinegar to taste. Add chopped parsley and pepper. To enhance nutritional soup, put a lump butter. Serve warm.