loin primal · Taiwan
In Kerala, this cut is undercut kl, also sold as naram, poti rachi.
About this cut
Most tender muscle of the loin; center cuts often sold as filet mignon.
| rare | San fen shu | → | Rare |
| medium rare | Wu fen shu | → | Medium rare |
| medium | Qi fen shu | → | Medium |
| well done | Quan shu | → | Lutu |
Doneness terminology varies by country and restaurant. When unsure, describe what you want — e.g., “warm red center” — rather than relying on the name alone.
“fei li” in Taiwan maps to canonical tenderloin (loin: psoas major). In Kerala, look for labels such as undercut kl · naram · poti rachi. Most tender muscle of the loin; center cuts often sold as filet mignon.
This information is for educational purposes only and may vary by region or butcher practices.