How Long Can Blue Cheese Dressing Sit Out?

Blue cheese dressing is a delicious and versatile condiment that can enhance the flavor of many dishes. However, like all dairy products, it can spoil if it is not stored correctly or left out of the refrigerator for too long.

How Long Can Blue Cheese Dressing Sit out?

Blue cheese dressing can sit out for two hours at room temperature. However, after two hours, the dressing will spoil and smell unpleasant. Therefore, it is best to store blue cheese dressing in the fridge if you plan on using it within the next few days. Also, blue cheese dressing can sit out for 6 to 8 months in the freezer if properly stored.

Blue cheese dressing is made with blue cheese, milk, and vinegar. It is a famous salad dressing and can also be used as a dip for vegetables or chips. It’s one of the most popular dips on the market and a staple in many people’s homes, and it’s great to serve at parties. However, keeping a good quality blue cheese dressing around for a long time can be tricky.

In this guide, we’ll explain how long can blue cheese dressing sit out and care tips on storing and preparing blue cheese dressing so that it tastes its best when you want to use it.

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How Long Can Blue Cheese Dressing Sit Out

Can Blue Cheese Dressing Be Left out?

Yes, you can leave out blue cheese, but it should not be more than two hours. Because the milk and cheese in the dressing can spoil quickly, especially in warm temperatures, if the dressing is left out for more than two hours, check if it smells bad or tastes sour, then batter you should throw away.

How Long Can Blue Cheese Dressing Sit out Before It Goes Bad?

If stored correctly and keep refrigerated, the blue cheese dressing will last for about 3 to 4 weeks in the refrigerator. And if you freeze it, it can last for about 4 to 5 months. However, if it’s opened and closed tightly, it will stay in the fridge for up to a week. If you plan on using it within that time frame, store it in a tightly sealed container in the fridge.

How to Tell If Blue Cheese Is Bad?

To tell if blue cheese is bad, look for mold on the surface of the cheese. If the cheese is hard or crumbly, it has probably gone bad. Also, check the color; bad cheese will look brown or has green spots. If the smell of blue cheese is sour or unpleasant and its taste is sour.

Does Blue Cheese Dressing Need to Be Refrigerated?

Yes, blue cheese dressing should be refrigerated if you want it to keep its flavor and consistency. Blue cheese dressing is made from blue cheese, milk, and cream. It is often used as a dip for vegetables or as a topping for salads. So, if you do not refrigerate it, then it can spoil.

Can You Freeze Homemade Blue Cheese Dressing?

Yes! If you make a small batch of blue cheese dressing and want to store it in the fridge for later, freezing it will work perfectly. Make sure to divide the dressing into smaller containers so it doesn’t freeze solid. And don’t forget to label each container with its contents, so you know how much dressing is inside!

You can freeze homemade blue cheese dressing in an airtight container for up to 2 months. When ready to use it, thaw the dressing in the refrigerator overnight. 

Making your blue cheese dressing is a great way to have a flavorful and healthy dressing that you can use for salads or as a dipping sauce for your favorite foods. However, if you make the dressing too thick, you may want to consider freezing it so that you can have some on hand when you need it.

How Long Does Blue Cheese Last in the Freezer?

Blue cheese can last in the freezer for six to eight months. Be sure to wrap it tightly in plastic or place it in a freezer bag to prevent freezer burn. When ready to use it, thaw the cheese in the refrigerator for 24 hours before using. Also, remember that the longer the blue cheese dressing sits out, the more it will sour.

Many people probably don’t think of blue cheese dressing as something you can freeze, but you can! You can store blue cheese dressing in the refrigerator for up to two months. Just make sure to bring it back to room temperature before using it.

How Long Can You Leave Blue Cheese Unrefrigerated?

Blue cheese can be left unrefrigerated for up to two hours, but it is best to refrigerate it if you are not going to eat it within that time frame. It is important to note that blue cheese can spoil quickly, so store it properly. If you leave blue cheese unrefrigerated, it can spoil within a few hours.

How Long Does Blue Cheese Dressing Last in the Fridge?

The blue cheese dressing can last for 3 to 5 weeks in the refrigerator. Blue cheese dressing is a dairy-based dressing made from blue cheese, milk, and cream. It is a thick, creamy dressing used to top salads and can also be used as a dip. So, it is better not to store it for longer than five weeks in the refrigerator.

Read Also: Can You Freeze Velveeta Cheese Dip

What Happens If You Eat Spoiled Blue Cheese?

Eating blue cheese that has been stored improperly can contain bacteria that can make you sick. The bacteria can cause vomiting, diarrhea, and even meningitis. The best way to avoid getting sick from blue cheese is to store it properly. Keep it in a cool, dry place away from food products that could spoil it.

Why Does Blue Cheese Taste like Ammonia?

Blue cheese is made using a particular type of bacteria known to produce a compound called ammonium. Ammonium is a gas that has a very strong smell. When blue cheese is made, the bacteria is added to the milk and allowed to grow. As the bacteria grows, it produces ammonium. This ammonium is what gives blue cheese its characteristic taste.

The bacteria needed to make blue cheese work transform the milk into yogurt, and this process produces ammonia as a by-product. Ammonia has a sour smell because it’s a strong oxidizer.

Why Does Blue Cheese Look Moldy?

Blue cheese is a type made from unpasteurized milk and therefore has bacteria that can cause it to rot. The bacteria that causes blue cheese to look moldy is called Penicillium candidum.

It’s a fungus ferments lactose in the milk, producing lactic acid. The high levels of lactic acid make blue cheese smell sour and taste yeasty. The fungus also causes the milk proteins to clump together, giving the cheese its blue color.

What Are the Food Safety Concerns with Blue Cheese Dressing?

Food safety concerns with blue cheese dressing include the potential for contamination from bacteria such as Listeria monocytogenes. The risk of food poisoning from consuming this type of dressing is exceptionally high for pregnant women and young children.

In addition, blue cheese dressing can contain harmful ingredients such as nitrates and nitrites, which can cause cancer. Therefore, it is crucial to keep blue cheese dressing refrigerated and avoid eating it if it has started to thicken or sour.

Care Tips for Storing Blue Cheese Dressing

Here are the care tips that you should consider while storing blue cheese dressing:

  • Store blue cheese dressing in the refrigerator.
  • Keep blue cheese dressing tightly sealed.
  • Use fresh blue cheese dressing within two weeks of opening.
  • Keep blue cheese dressing away from strong-smelling foods.
  • Do not store blue cheese dressing in direct sunlight.
  • Wash hands thoroughly after handling blue cheese dressing.
  • Only freeze blue cheese dressing that is in an airtight container.
  • Label the container with the date before freezing.
  • Store in the coldest part of the freezer.
  • Use within three months for best quality.
  • To thaw, move the container to the refrigerator and let it thaw overnight.
  • Once thawed, you should use blue cheese dressing within one week.


Blue cheese dressing can sit out for a relatively long time compared to other dressings. However, it is best to err on the side of caution and not let it sit out for more than two hours. After that time, the dressing can spoil and become a breeding ground for bacteria.

In the refrigerator, blue cheese dressing sits out for 3 to 5 weeks and in the freezer for around 6 to 8 months. The duration also depends on the cheese condition and storing method.

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