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.
More top news
After a fine evening with late sunshine, largely dry overnight before cloud thickens later with the threat of showers across Wales.
Staff from Nevill Hall Hospital have been recognised for helping to stop a vicious attack
Supply teacher is suspended after a string of "sexually explicit" exchanges with a 16-year-old girl over social media.