Peel the asparagus carefully and cut off the woody ends. Cut the asparagus into pieces approx. 2 cm long. Cover with salted water and cook until al dente and then strain. Put asparagus aside. Pour the asparagus broth and chicken broth together, should be about 1.6 liters.
Make a roux from the flour and butter, carefully fill up with the broth, stir well, bring to the boil and cook for 10 minutes while stirring over a low heat. Mix egg yolks with Cremefine and stir into the soup. Now the soup must no longer boil!
Mix the pulp of 1/2 vanilla pod into the soup and add the asparagus pieces. Finally add the finely diced Parma ham and, if necessary, season carefully.
For the look, maybe sprinkle a little chives over it.
Tip:
If you don`t like it too sweet, only add 1/3 of a whole vanilla pod to it.