Meat from a working adult bovine — tough, deeply flavoured, and made for slow cooking.
Ox refers to a mature castrated bovine, traditionally a draught animal. The meat is
tougher and more strongly flavoured than beef from a younger animal, because working muscle
develops far more connective tissue.
In practice most people encounter it as oxtail,
which is one of the best cuts in any kitchen for exactly this reason: it is almost entirely
connective tissue and bone, and slow cooking converts that collagen into gelatine.
Nutritionally it is red meat — high in heme iron, B12 and zinc.
Per 100g cooked. Oxtail is fattier; lean cuts run considerably lower.
Based on the nutrients and fibre this food supplies. These are supporting foods, not treatments.
Three hours minimum. Oxtail and shin are collagen-heavy cuts and
they do not become tender until that collagen converts. There is no shortcut.
Cook it a day ahead. Oxtail is better reheated, and chilling overnight lets
you lift the solidified fat straight off the top.
The gelatine is the
point. A proper oxtail stew sets like jelly when cold. That is the sign you cooked it
long enough.
Cheap cuts, expensive results. Shin, cheek and tail are
among the least expensive cuts and produce the richest dishes.
Long cooking converts collagen into gelatine, which is what gives slow-cooked ox
dishes their body and mouthfeel.
Worth being honest about the joint health claim: eating
collagen does not deliver collagen to your joints. It is digested into amino acids like any
other protein. Bone broth and oxtail are good food and good protein — the direct
joint-repair claims made for them run well ahead of the evidence.
Gout or high uric acid: all meat contains purines, and organ
meats most of all. Meat and seafood purines trigger flares far more reliably than plant
purines do.
Kidney disease: protein load often needs limiting. This
needs your doctor's numbers, not a general rule.
Pregnancy: cook all
meat through — no pink — and avoid liver because of its vitamin A content.
This is information, not a prescription. If you are managing a diagnosed condition or taking medication, talk to your doctor before making a large change to your diet.
Nutrition figures on this page come from standard food composition data. These links let you check the numbers and read the underlying research yourself rather than taking our word for it.