British Airways resumed serving hot meals on long-haul flights from London Heathrow, but continued to offer a limited service for short-haul passengers.
A BA spokesman confirmed that Gate Gourmet is providing "minimal catering provisions" for the airline.
In an e-mail to customers, BA advised passengers to eat before arriving at the airport, especially if they have special dietary requirements.
Passengers flying from Heathrow in economy class are being offered a deli-bag with crisps and fruit and a choice of two hot meal options, similar to the menus offered before.
First- and business-class travellers will have an upgraded version, with fillet steak, chicken or pasta on offer. It will also return to hot meals on inbound flights to Heathrow tomorrow.
The airways onboard catering was hit following an unofficial strike by Gate Gourmet employees after 670 jobs were cut.
This resulted in a sympathy strike of about 1,000 BA ground staff, forcing the airline to cancel 700 flights.
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