This filling contains soya which is not declared on the packaging.
The FSA website said: “This product contains soya making the product a possible health risk for anyone with an allergy to soya.”
The affected packs are two x units with the best before date of April 1, 2020.
Shoppers who have bought the item and have an allergy to soya should not eat it.
Instead they can contact Waitrose customer service to arrange a refund.