A snack sold in Tesco, Waitrose, Sainsbury's and on Ocado has been recalled.
The cereal bars contain almonds not listed on the packaging, which would cause a serious risk for some consumers.
Perkier Salted Caramel Dark Chocolate Bar
Pack size: 3 x 37g (multipack)
Best before: 8 October 2025
The Food Standards Agency stated: "Perkier Foods is recalling the above product from customers and has contacted the relevant allergy support organisations, which will tell their members about the recall.
Perkier Salted Caramel Dark Chocolate Bar packs were recalled
PERKIER FOODS
"The company has also issued a point-of-sale notice to its customers. These notices explain to customers why the product is being recalled and tell them what to do if they have bought the product."
Those with an allergy to the nuts are at risk and the severity of symptoms can vary from mild to "life-threatening", Allery UK reported.
They can include hives, swollen lips, skin rashes, runny or stuffy nose, trouble swallowing and shortness of breath. People can also experience anaphylaxis shock.
Perkier Foods shared further advice. It said: "Perkier Foods is recalling the above product with the Best Before date of October 8, 2025 because it contains almonds which are not mentioned on label.
"This means that the product is a possible health risk for anyone with an allergy to almonds.
"We are asking customers who have purchased the above product who have an allergy to almonds not to consume it and to return it to the store from where it was bought for a full refund (with or without a receipt).
"No other products have been affected by this issue. Perikier would like to apologise for any inconvenience caused."
Waitrose added: "We are recalling Perkier Salted Caramel Dark Chocolate bars due to the product containing undeclared almonds.
"Do not consume, package up the item and return the product to your local Waitrose & Partners branch for a refund.
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It added shoppers can get more information by contacting Waitrose Customer Care 0800 188 884, Option 4 or Perkier at hello@perkier.co.uk.
This comes as Waitrose pulls two spices from shelves that can cause "vomiting and difficulty breathing".
