Originally Posted by
Sohoboy
Yes, first time I saw whole piece of fruit on fruit and cheese trolley. I heard the ISM told the guest next to me that it's due to different eating habbit of westerner and it's more hygienic to have whole fruit serve

It's been whole fruit for ex-LHR flights for years. The reason you heard is not convincing though - the pre-packaged sliced fruits in British supermarkets sell very well!
And you also get sliced fruits for the breakfast appetizer.