A nursery in the South Wales Valleys and a nursing home in Gwent both bought the cottage pie from Castell Howell wholesalers.
The pie was made by Oak Farm Foods; five customers in total are believed to be affected.
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During a renovation project, Victorian mosaics were found underneath a carpet and a wall memorial dated 1732 was discovered.
A bright and frosty start, with the risk of some icy patches. However cloud will soon spill in from the northwest,
Wales woke to another frosty morning on Saturday after temperatures plunged.