Master thread: List of lounges with kosher food.
 

DELETED - See WIKI post

KSMLs in BA lounges at LHR
 

All kosher meals are from Hermolis ^^

Terminal 1: Soup and filled bagels available in the international lounge (the one they use for TLV flights).
Terminal 3: KSMLs only available in the First lounge - not the Club lounge area.
Terminal 5A: KSMLs available in all lounges. Soup and bagels in the Club lounges and full meals in Galleries First and Concorde Room.
Terminal 5B: No KSMLs in the BA lounge.
Terminal 5C: No BA lounge! You can get up to £15 of stuff from Starbucks if you show then a Club or First boarding pass. They might have Walkers Crisps (check for LBD Hechsher) - plus soft drinks and tea/coffee.

In my experience T1 has full meals available also on request - last week had omelette/potatoes/mushrooms etc for breakfast, and for dinner choice of meatballs and spaghetti, chinese chicken and rice or salmon and mashed potato. All very good (apart from omelette which I find inedible).

Also KSML available on request in CX lounge in Hong Kong, QF F lounge in Sydney and SQ Private Room in Singapore. All must be requested in advance.

Does anyone know if kosher food is available at the ZRH Senator lounges?

Only fruit, chocolate and (in the summer) yummy icecream.

I was most surprised to find kosher sandwiches and snacks in the lounge at Warsaw. All dairy (which was a shame). Available on their own shelf in the food chiller cabinet!

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how do you request it?

Amex Centurion lounge in LAS has KSML catered by Haifa Restaurant. I haven't tried them but i'm sure others here have and can be more informative on this.

QF F in MEL was a no-go for me.
Who do you contact for QF F in SYD?

JFK Terminal 4 - Virgin Clubhouse now has kosher meals available. When I was there recently, they had 3 options - meatballs, lasagne, and a fish dish.
They usually carry a small selection in the kitchen, which just need to be heated up.

+1 and the food is excellent

From my experience there, I wouldn't go so far as to term it excellent...more decent/good. Then again, it may have just been that day - YMMV

To clarify situation regarding Quantas F in SYD (currently sitting here, and just spoke with the F&B manager).

They can provide kosher meals (from Lewis), but these need to be ordered a minimum of 3-4 days in advance, preferably a week though.
To do this, you'll need to call through to the lounge directly (or call general CS and asked to be put through to the F lounge), and then let them know.

Hope this helps!