Overview
- The FSA issued an allergy alert on October 15 and the recall remains active across UK stores.
- Only 120g packs from lot 5242 with a best before date of 12 May 2026 are affected, with barcodes reported as 0917568 and 29143603.
- Shoppers with peanut allergies are advised not to eat the product and to return it to any M&S for a full refund, with no receipt required according to multiple outlets.
- M&S has removed affected stock, posted point‑of‑sale notices, and been advised to notify allergy support organisations.
- Undeclared peanuts pose a serious risk to those with allergies, and anyone who has eaten the product and feels unwell should seek medical advice.