Brakes, which is based in Ashford, Kent, is the supplier for the House of Commons Catering Service and last month it withdrew its steak and kidney pie, beef and onion pie, steak and kidney suet pudding, and beef Italian meatballs as a precaution.

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The steak and kidney pie was just as likely to be watery gravy under a concrete crust.

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Pie varieties judged included Melton Mowbray, pork, steak and kidney, fish and vegetarian, British apple pies, dessert pies, pasties and "football pies".

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The hospital said these were dropped after patients said they preferred the more traditional foods on offer, such as steak and kidney pudding.

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