What is san nai called in United Kingdom?

Look for Fillet steak—mapped to Tenderloin (beef tenderloin).

Can san nai mean more than one cut?

Check the confidence note below; low confidence or multi-cut rows are flagged when present.

How do you order steak doneness in United Kingdom?

In United Kingdom, medium rare is called "Medium rare". Rare is "Rare" and well done is "Well done".

What should I ask for at a butcher in United Kingdom?

Ask for "Fillet steak, rare to medium rare" when looking for san nai in United Kingdom.

What is san nai in UK?

Q: What is san nai in UK?

san nai is the Thailand retail name for the beef tenderloin, which sits on the loin primal. In UK, the same cut is most often labeled Fillet steak.

Q: What primal is san nai from?

Tenderloin is on the loin primal (psoas major).

Exact match

san nai

is Fillet steak in United Kingdom

Ask for: Fillet steak

About this cut

Most tender muscle of the loin; center cuts often sold as filet mignon.

loin primal · psoas major

In United Kingdom

Fillet steak

Say this at the butcher

“Fillet steak, rare to medium rare”

What is this cut?·Global guide

How to order steak doneness

Thailand → United Kingdom

rareRae→Rare48–55°C

medium rareMidiam rae→Medium rare55–60°C

mediumMidiam→Medium60–65°C

well doneSook→Well done70–100°C

Doneness terminology varies by country and restaurant. When unsure, describe what you want (e.g., “warm red center”).

Detailed explanation

“san nai” in Thailand maps to canonical tenderloin (loin: psoas major). In United Kingdom, look for labels such as Fillet steak. Most tender muscle of the loin; center cuts often sold as filet mignon.

Keep exploring

Compare with similar cuts

Other countries & routes

Same canonical cut, different destination markets (deduped URLs).

Explore more cuts

This information is for educational purposes only and may vary by region or butcher practices.