Ggo ri gom tang (Ox tail soup)
serves 4 

Put ox tails in a cold water for an hour. Drain.

Transfer to a big pot. Add water, garlic, pepper and 1 whole green onion.
Bring to a boil, reduce to simmer for 2-3 hours until tender.
Skim off the fat.

Serve with rice, chopped scallions, salt and pepper.