The FDA recalls shredded cheese sold across several U.S. states after safety inspectors discovered possible contamination with Listeria monocytogenes. The recall, announced in late November 2025 and updated in early December, affects multiple well-known brands and store-label cheeses distributed to major grocery chains. Shoppers are urged to check their refrigerators and discard affected items to prevent potential health risks.
The Reason Behind the Recall
Federal food safety officials confirmed that the recall began after environmental testing at a Wisconsin dairy facility detected traces of Listeria. The bacteria were found during a standard inspection that is part of the FDA’s ongoing monitoring of dairy products.
Although no illnesses have been linked to the shredded cheese so far, the agency took immediate action. Because Listeria monocytogenes can cause severe infections, even small amounts are considered unacceptable in ready-to-eat foods such as cheese.
The bacterium poses the highest risk to pregnant women, infants, older adults, and people with weakened immune systems. Common symptoms include fever, chills, muscle aches, and nausea. In serious cases, it can lead to complications such as meningitis or pregnancy loss.
The FDA emphasized that the recall is a preventive measure designed to protect consumers before any outbreak occurs.
Brands and Products Included
The current recall covers several shredded cheese varieties packaged between October 25 and November 28, 2025. The affected products were distributed nationwide under different labels, including:
- Happy Farms Shredded Mozzarella and Cheddar Blends — sold through ALDI stores in the Midwest and Southeast
- Great Lakes Dairy Shredded Mexican Blend Cheese — distributed to supermarkets and food-service outlets
- Market Pantry Shredded Cheddar Jack — available at major retail chains across multiple regions
- Private-label Four-Cheese Mixes — packaged in 8-ounce and 16-ounce bags with resealable tops
The items share similar production codes originating from Great Lakes Cheese Co., located in Wausau, Wisconsin. The company manufactures cheese for several private labels and confirmed that the potential contamination occurred at one specific processing line used for shredding and packaging.
Geographic Reach of the Recall
The recalled shredded cheese products were shipped to grocery stores and distribution centers in at least 14 U.S. states, including:
- Wisconsin
- Illinois
- Michigan
- Minnesota
- Ohio
- Iowa
- Indiana
- Missouri
- Kentucky
- Tennessee
Some online retailers also carried these products. The FDA has instructed all retailers and e-commerce platforms to remove the affected cheese immediately.
Consumers who purchased shredded cheese between late October and late November should review the “Best By” dates ranging from January 15 to February 20, 2026, and look for lot codes starting with WZ or GLC. Any product matching these identifiers should be thrown away.
Safety Instructions for Consumers
The FDA recommends that consumers take these precautions if they believe they have purchased any recalled shredded cheese:
- Check the label: Look for brand names, lot numbers, and expiration dates that match the recall notice.
- Avoid tasting or consuming: Even a small bite could carry risk if contamination is present.
- Dispose of it safely: Seal the product in a plastic bag before throwing it away to prevent contact with other foods.
- Sanitize surfaces: Clean refrigerators, countertops, and utensils that may have touched the cheese.
- Monitor health: If symptoms of Listeria infection appear, contact a healthcare provider and mention possible exposure.
Retailers are offering full refunds for returned products. Most stores have also posted recall notices in dairy sections and at customer service counters.
The Company’s Response
Great Lakes Cheese Co. released a public statement on November 30 confirming that the recall was initiated voluntarily after internal testing results were reviewed. The company temporarily halted production on the affected line and began a comprehensive inspection of its facility.
“All other production lines have tested negative for contamination,” the company said, adding that it is working closely with federal and state officials to ensure product safety before operations resume.
The manufacturer has also launched additional employee training and sanitation audits to prevent future issues.
FDA’s Oversight and Ongoing Testing
The FDA has deployed inspectors to the Wisconsin facility to verify cleaning procedures and confirm the source of the contamination. Preliminary results indicate that traces of Listeria may have originated from a piece of processing equipment used during shredding.
Regulators have stated that follow-up testing will continue until multiple consecutive samples return negative results. Once the plant is cleared, production can resume under enhanced safety protocols.
The FDA’s recall classification system is used to determine the level of health risk. This particular case has been categorized as a Class I recall, the most serious level, because Listeria monocytogenes can cause severe illness in vulnerable individuals.
No Illnesses Reported So Far
As of December 3, 2025, there have been no confirmed cases of illness linked to this recall. Health departments in several states are monitoring for possible infections, but early reports suggest that most contaminated products were intercepted before widespread sale.
Consumers are encouraged to remain alert in the coming weeks, as additional testing may expand the list of affected lot numbers or products.
What Happens During a Recall
The FDA follows a structured process whenever contamination is detected in food products:
| Step | Description | Purpose |
|---|---|---|
| Detection | Routine testing identifies contamination. | Triggers the recall process. |
| Notification | The FDA informs the producer and works on a recall strategy. | Ensures immediate containment. |
| Distribution Tracking | All sales and shipping records are reviewed. | Finds where the product was sold. |
| Removal | Retailers and distributors take products off shelves. | Prevents further sales or consumption. |
| Public Alert | A nationwide notice is issued. | Informs consumers to discard affected items. |
| Verification | FDA inspectors confirm removal and sanitation. | Ensures all contaminated food is destroyed. |
This systematic approach is designed to protect consumers as quickly as possible.
The Importance of Food Safety Monitoring
The recall highlights the vital role of routine inspections and testing in the U.S. food system. Dairy products like shredded cheese are particularly sensitive to contamination because they are ready-to-eat and often consumed without cooking.
Modern cheese facilities rely on stainless steel shredding machines, conveyors, and cooling tunnels that require frequent cleaning. Even a small buildup of moisture or residue can create an environment where bacteria grow.
The FDA continues to emphasize preventive controls—cleaning schedules, temperature regulation, and microbial testing—to minimize risks in dairy manufacturing.
Recent History of Cheese Recalls
This year’s recall follows a series of smaller dairy-related recalls over the past two years. In 2024, several brands of soft cheese were removed from stores due to similar Listeria concerns in the Midwest. That event led to heightened oversight of cheese producers and updates to cleaning procedures in processing facilities.
While the current incident involves shredded cheese, it serves as another reminder that contamination can happen even in highly regulated environments. The food industry and regulators now use more advanced testing technology to detect contamination early and avoid large-scale outbreaks.
How to Stay Informed
Consumers can track active recalls through the FDA’s Recalls, Market Withdrawals & Safety Alerts page, which lists all current and recent food safety alerts in the United States.
Most grocery retailers also maintain recall pages on their websites and offer text or email notifications for customers enrolled in loyalty programs. Checking these updates regularly is one of the best ways to ensure your household stays protected from potentially unsafe foods.
If you ever suspect that a product you purchased may be part of a recall, it’s safer to discard it than take a chance.
Looking Ahead
The ongoing recall of shredded cheese products underscores how quickly contamination can be detected and managed when preventive systems are in place. Although recalls are disruptive, they demonstrate that safety measures are functioning as intended.
Manufacturers across the dairy industry are reviewing their production practices, reinforcing employee hygiene training, and investing in modern sanitation systems. These steps help strengthen the safety net that protects consumers every day.
The FDA has promised continued transparency and will release further updates as facility testing concludes and recalled products are fully accounted for.
For now, consumers should remain cautious, double-check their shredded cheese packages, and discard any items that match the recall codes.
Keeping food safe is a shared effort. Check your refrigerator, stay informed, and help spread awareness so others can avoid potential risks.