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              Cook the broth. Place the wings in a saucepan, add water and put on fire. As soon as the liquid boils, skim off the foam and reduce the heat to medium. Cook the wings for about 25 minutes, then add the potatoes and salt.
              
              
 
              
      
     
              
              
               
              
                  
                   
                   
               
              Prepare the roast. Heat the oil in a frying pan, add the onion. Fry for 2 minutes. Then add carrots. Simmer for another 2-4 minutes.
              
              
 
              
      
     
              
              
               
              
                  
                   
                   
               
              Make soup. Add frying to the broth with potatoes and wings. Once the potatoes are ready, add the spinach. While the soup is boiling, break an egg into a bowl, salt it and pour in 2 tbsp. broth, then stir. Add the egg mixture to the broth.
              
              
 
              
      
     
              
              
               
              
                  
                   
                   
               
              Serve hot with sour cream.