Whatcom Blue cheese recalled over E coli O103 in raw milk
Peterson Company is recalling 288 pieces of Twin Sisters Creamery Whatcom Blue cheese due to E. coli O103:H2. The FDA has classified the recall as Class I.
The agency’s classification
FDA (Food): Class I
Class I is a situation in which there is a reasonable probability that the use of or exposure to a violative product will cause serious adverse health consequences or death.
This is the agency’s own classification, taken from its notice. The severity score below is our assessment, not the agency’s. How recall classes work
What this means for you
Our assessment, not the agency’s: severity 5/5 (Critical).
Highest-severity recall. The hazard can cause serious injury or death. Stop using the product now and follow the agency's instructions.
Our severity reasoning: Scored 5 because the FDA classified this recall as Class I, which the rubric assigns the top severity regardless of other factors.
Plain-English summary
Item 28855 Whatcom Blue, Twin Sisters Creamery brand, packed in Cryovac with each package weighing 5 to 6 oz and 16 pieces per case, is being recalled. The cheese is made from raw milk, with ingredients listed as cultured raw cow's milk, salt, enzymes and penicillium roqueforti.
The product is being recalled due to E. coli O103:H2.
The recall covers 18 cases of 16 pieces, or 288 pieces, across manufacturing codes 761511, 775511, 781511 and 793511, with 761511 cut on 18 September 2025. The record states a press release indicated distribution in Colorado, Idaho, Oregon and Washington, and notes the firm confirmed no product was distributed to at least one of those areas.
The FDA has classified this as a Class I recall, its most serious category, used where there is a reasonable probability of serious health consequences or death. Anyone holding an affected piece should not eat it and should follow the retailer's instructions.
The recalled product
- Product
- Item# 28855 Whatcom Blue, Twin Sisters Creamery brand, product is packed in Cryovac and each package weighs 5oz-6oz. There are 16 pieces per case. This cheese is made from raw milk. Ingredients: cultured raw cow's milk, salt, enzymes, penicillium roqueforti. Made by Twin…
- Manufacturer
- Peterson Company Inc
- Category
- Food — Cheese
Distribution
Part of a larger recall action
This product is one of 2 recalled by Peterson Company Inc under a single FDA (Food) recall action. The agency files each product separately, so the size of the action is not visible from this page alone.
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