Onions peel, halve. Peel, wash and chop the carrots. Wash the chicken. Boil up with 1-11/4 l water, 1 teaspoon salt, peppercorns, onions and carrot pieces. Simmer for 30 minutes
Wash the asparagus. Peel the white, cut off the woody ends. Cut off only the ends of the green. Cut the asparagus into pieces. Finely chop the remaining carrots.
Remove the chicken breast and let it cool down a little. Sieve the broth. Cook the asparagus pieces for about 8 minutes and take them out. Remove chicken from skin and bone, cut into small pieces
Sweat flour in hot fat. Deglaze with chicken stock, bring to the boil. Cook the carrot cubes for 3-5 minutes. Season soup to taste
Whisk cream and egg yolk. First mix with some soup, then stir into the soup (do not boil any more!). Add meat and asparagus. Wash the chives, chop finely and sprinkle on top. Delicious with baguette