Moldy Blues: How To Tell When Blue Cheese Is Past Its Prime And When To Toss It

Blue cheese, with its distinctive blue-green veins and pungent aroma, is a delicacy enjoyed by many. However, like any perishable food, blue cheese can go bad if not properly stored and handled. Knowing how to tell when blue cheese are bad is crucial for ensuring your food safety and avoiding unpleasant experiences.

Signs of Spoiled Blue Cheese

1. Unpleasant Odor

Spoiled blue cheese emits a strong, acrid odor that is distinct from its usual earthy aroma. This odor may resemble ammonia or sulfur and is a clear indication that the cheese has gone bad.

2. Discolored Veins

The blue-green veins in healthy blue cheese are usually evenly distributed and vibrant. However, when the cheese spoils, the veins may become dull, brown, or even black. This discoloration indicates bacterial growth and should not be consumed.

3. Slimy or Moldy Texture

Spoiled blue cheese develops a slimy or moldy texture. The surface may become sticky or covered with white, green, or black mold. These signs indicate that the cheese has been contaminated and should be discarded.

4. Off-Flavor

As blue cheese spoils, it develops an off-flavor that is bitter, sour, or metallic. This unpleasant taste is a clear indicator that the cheese has gone bad.

5. Bloated or Leaking Packaging

If the packaging of blue cheese is bloated or leaking, it may indicate that the cheese has been exposed to air and has begun to spoil. Avoid consuming cheese with damaged packaging.

6. Past Expiration Date

While the expiration date on blue cheese is not always an exact predictor of spoilage, it provides a general guideline. Consuming blue cheese that has significantly exceeded its expiration date is not recommended.

7. Unusual Consistency

Spoiled blue cheese may become crumbly, rubbery, or excessively soft. These changes in consistency are signs that the cheese has lost its freshness and should not be consumed.

Prevention of Spoiled Blue Cheese

1. Proper Storage

Blue cheese should be stored refrigerated at a temperature between 32-38°F (0-3°C). Keep the cheese tightly wrapped in its original packaging or airtight container to minimize exposure to air.

2. Avoid Overexposure to Air

Prolonged exposure to air can cause blue cheese to spoil more quickly. When handling the cheese, use clean utensils and limit the time it is exposed to the open air.

3. Consume Promptly

Once opened, blue cheese should be consumed within 2-4 weeks. If you do not plan to finish the cheese within this time frame, consider freezing it for longer storage.

4. Discard Spoiled Cheese

If you suspect that blue cheese has gone bad, do not consume it. Discard the cheese immediately to avoid potential foodborne illnesses.

The Bottom Line: Avoiding Blue Cheese Mishaps

Knowing how to tell when blue cheese are bad is essential for protecting your health and enjoying this delectable delicacy safely. By following the signs and symptoms outlined in this guide, you can confidently identify and discard spoiled blue cheese, ensuring that your culinary adventures are always safe and satisfying.

What You Need to Know

1. Can I still eat blue cheese with a few brown veins?

No, brown veins in blue cheese indicate spoilage. Discard the cheese to avoid potential foodborne illnesses.

2. How long can I store blue cheese in the refrigerator?

Opened blue cheese can be stored in the refrigerator for 2-4 weeks. Unopened blue cheese can last for several months.

3. Can I freeze blue cheese?

Yes, blue cheese can be frozen for up to 6 months. However, freezing may slightly alter its texture and flavor.

4. What are the symptoms of foodborne illness from spoiled blue cheese?

Symptoms may include nausea, vomiting, diarrhea, abdominal pain, and fever. Seek medical attention if you experience these symptoms after consuming blue cheese.

5. How can I prevent mold growth on blue cheese?

Store blue cheese tightly wrapped in its original packaging or an airtight container to minimize exposure to air.