If you have difficulty finding oxtails in your locale, you can
substitute meaty veal or beef neck, short rib, shank or other various
soup bones, but don't expect quite as robust a flavor. As with any
recipe, feel free to modify these to meet the needs and tastes of your
own family.
Braised Oxtail
If you're just learning how to cook oxtails, you can't go wrong with
this recipe for braised oxtail. It explains how to cook this cut of meat
extremely slowly in order to make it tender and succulent.

