A limited quantity of Ben & Jerry's Coconut Seven Layer Bar Bulk and Ben & Jerry's Chunky Monkey pints have been recalled because they may contain tree nuts including almonds, Brazil nuts, and hazelnuts that are not declared in the ingredient list or allergy information list, announced Unilever in a press release.

According to the company, both affected products include a “Contains Walnuts” and a “May contain other tree nuts” label on the back of the pack. The recall was initiated after an undeclared nut was found during the production operation.

The affected Ben & Jerry’s Coconut Seven Layer Bar bulk product is sold in a tub containing 2.4 gallons with a Consumer UPC of 076840104246 and best by date of SEP1520BJ4. The affected Ben & Jerry’s Chunky Monkey pint is sold in a pint tub (473 mL) with a Consumer UPC of 076840100354 and best by dates of AUG2820BH2, AUG2920BH2, or AUG3020BH2.

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People who have an allergy or severe sensitivity to these undeclared tree nuts run the risk of a serious or life-threatening allergic reaction if they consume the recalled products, said the company.

The affected Chunky Monkey pints were distributed nationwide and reached consumers through retail stores. According to the release, no other container sizes or best by dates of Ben & Jerry’s products are affected by this voluntary recall.