This beef osso buco recipe ... it's best when cooked low, slow and long—just right for braising or cooking in a slow cooker. Slow-cooking also makes the most of the bones' tasty marrow. Osso ...

Place the osso bucco in a saucepan with plenty of cold water and boil gently, skimming the surface as needed (about 30 mins). Add one diced carrot, the thick parts of the celery and the onion.