The cooking time of over 18 hours allows everything valuable to be extracted from the bones of the beef. We use the best organic beef for this. At the end we add koji to the soup to give it another kick of umami. The beef stock tarnishes a ... full umami.
 A classic bone broth.
 
 Ingredients : beef bones, beef, koji rice, salt, water, carrots, celery, leek, onion, salt 
 Origin of meat: Schober organic butchery
 Origin of vegetables: organic nursery Bioschanze
 Allergens : celery