FlyerTalk Evangelist and Ambassador: The British Airways Club
Join Date: Jun 2008
Location: Somewhere between 0 and 13,000 metres high
Programs: AF/KL Life Plat, BA GGL+GfL, ALL Diam, Hilton Diam, Marriott Gold, blablablah, etc
Posts: 33,191
Why don't you buy something before going or at the airport, discretely make your way to the galley with it and ask the crew if they wouldn't mind plating it and bringing it to your wife. they certainly would and may or may not add their own touch.