Can You Eat Moldy Cheese? (2024)

Oops—that plate of nachos you ate was topped with moldy cheese. What now?

We’ve all been there. It’s Taco Tuesday, and obviously, a taco is not a taco without a delicious cheesy topping. As you bite into your third stuffed tortilla, you notice a fuzzy blue topping on the shredded cheddar. What do you do?

Can You Eat Moldy Cheese?

The short answer is, it depends. In most cases, it is not safe to eat any type of moldy food. (Read more about whether it is OK to eat moldy strawberries.) Mold can contain toxins that lead to illness. Moldy foods are also more likely to be contaminated with bacteria that can cause food poisoning. Types of bacteria that may lead to illness include listeria, brucella, salmonella and E. coli.

Some cheeses are made with mold, and are safe for most healthy adults to consume. These include blue cheese, Gorgonzola, Camembert and Brie. However, they should be avoided by babies, young children, older adults, pregnant women and anyone with a compromised immune system. Get to know if you can eat the rind on brie.

Other types of cheese should not be eaten when mold is present, such as cheddar, Colby, Parmesan and Swiss. However, the rest of the block of cheese is still salvageable. If you find mold on a corner of a block of cheddar cheese, cut off the moldy part and about an inch surrounding the mold. Be careful to keep the knife from becoming contaminated and touching the mold. Don’t take a shortcut with this step.

When a semisoft cheese is shredded, crumbled or sliced, the entire bag or container should be thrown out when you find mold.

It is never safe to eat moldy soft cheeses such as cottage cheese, cream cheese or ricotta. Mold can spread quickly in these cheeses. When there is a small amount of mold on soft cheese, the entire container is likely contaminated.

To keep your cheese as fresh as possible, store it the right way. Refrigerate cheese as soon as you get home from the store, and wrap it tightly in aluminum foil or wax paper.

What Happens If You Eat Moldy Cheese?

So what happens if you accidentally eat soft or semisoft cheese that has some mold on it? More often than not, you will not notice any issues after discovering that you took a bite of some moldy Munster. (Learn more about moldy food.)

Eating a small amount of moldy cheese will probably not cause health problems for most people. As soon as you realize the cheese is moldy, throw it out. If you notice mold on a block of hard or semisoft cheese, it is safe to cut it off, along with a one-inch radius around it.

While rare, possible symptoms of eating mold may include nausea, vomiting, diarrhea, shortness of breath and allergic reactions. If you’re concerned that you’re experiencing a serious reaction, call your healthcare provider right away.

Here’s how to tell if your food is spoiled.

Editor’s Note: The spores from moldy cheese (or any other moldy food) can stay in the air in your refrigerator and contaminate other items. Make sure all foods stored in the fridge are covered to lower the risk. Clean the inside of the refrigerator every few months with a mixture of 1 tablespoon of baking soda and 1 quart of water.

Can You Eat Moldy Cheese? (2024)

FAQs

Can You Eat Moldy Cheese? ›

If cheese has mold growing on it, should I throw it away? Answer From Katherine Zeratsky, R.D., L.D. Soft cheeses, such as cottage cheese, cream cheese and ricotta, with mold should be discarded. The same goes for any kind of cheese that's shredded, crumbled or sliced.

Can you eat moldy cheese? ›

Discard any soft cheese showing mold. For hard cheese, such as Cheddar, cut off at least 1-inch around and below the mold spot (keep the knife out of the mold itself). After trimming off the mold, the remaining cheese should be safe to eat. Re-cover the cheese in fresh wrap and keep refrigerated.

How long after eating spoiled cheese will I get sick? ›

Illness often starts in about 1 to 3 days. But symptoms can start any time from 30 minutes to 3 weeks after eating contaminated food. The length of time depends on the type of bacteria or virus causing the illness. Each person's symptoms may vary.

Can you eat around mold? ›

Use. Cut off at least 1 inch around and below the mold spot (keep the knife out of the mold itself so it will not cross-contaminate other parts of the produce). Small mold spots can be cut off FIRM fruits and vegetables with low moisture content. It's difficult for mold to penetrate dense foods.

What if I accidentally ate moldy bread? ›

If someone were to consume a large amount of mold, they might experience nausea, indigestion, cramping and possibly diarrhea, Lee said. But these symptoms are not inherently a bad thing, she explained. "It's your body's protective mechanism kicking in and trying to get rid of the agent out of your body."

Is it bad to breathe in cheese mold? ›

source Program (FARRP), no evidence exists that moldy cheeses are potentially harmful to mold-allergic individuals. Consumers with mold allergy generally are responding to the inhalation of mold spores. On the other hand, ingestion of moldy cheeses generally involves the ingestion of mycelia, not spores.

Can you cook off mold on cheese? ›

If you're not sure what type of cheese you have or what to do if it grows mold, the safe course is to discard it.

What should I do if I ate bad cheese? ›

If you do feel ill after consuming cheese that you suspect was spoiled, please seek medical attention immediately. When in doubt, throw it out. No cheese is worth jeopardizing your health.

Why is the mold in blue cheese ok to eat? ›

The blue cheese molds - Penicillium roqueforti - is safe for human consumption. It does not produce the same toxins as dangerous molds. Rather, it can be quite healthy, with natural antibacterial properties and the ability to over-take pathogens.

What are the dangers of eating old cheese? ›

However, there's a big difference between properly aged cheese and cheese that has expired; here's how to tell the difference and protect your health. Like any expired food, eating cheese that has gone back can cause food poisoning and/or other gastrointestinal issues.

Why does my cheese smell bad but it's not expired? ›

With repeated washings, the cheese will develop certain flavors and smells. Additionally, the washed rind cheeses are perfect for microbes. The bacteria and yeast colonize the cheese rind resulting in a distinctive scent.

What are the signs of bad cheese? ›

Signs of Spoiled Cheese
  • Unpleasant Odor. One of the primary indicators of spoiled cheese is an unpleasant, rancid odor. ...
  • Sour Taste. Spoiled cheese also exhibits a highly acidic taste. ...
  • Color Changes. Changes in color are another noticeable sign. ...
  • Mold Spots. ...
  • Refrigeration. ...
  • Wrap it Tight. ...
  • Avoid Air Exposure.
Nov 3, 2023

Should I throw out all tomatoes if one is moldy? ›

Consuming moldy food can cause allergic reactions, as well as respiratory problems. When you find a few moldy pieces of fruit inside a container, throw out the moldy fruit and any pieces of fruit that are directly touching them.

Can you eat potatoes if one is moldy? ›

It is okay to cut mold off of hard cheeses and hard fruits or vegetables like apples, potatoes, onions or cauliflower. Just be sure to cut away at least 1 inch as surface mold is more than what you see. It actually has hyphae or roots which can penetrate deeper into the food.

Is all the bread bad if one piece has mold? ›

Whether the loaf of bread has one spot of visible mold or multiple ones, the bread is unsafe to eat. According to the USDA's Food Safety and Inspection Service, when you see molds growing on bread, it is likely that the root of the mold has infiltrated much of the loaf, no matter if the loaf is whole or sliced.

Why is my cheese getting moldy in the fridge? ›

One common cause is too much moisture when the cheese is being stored. The use of plastic wrapping or zip top bags can retain too much moisture. When you consider this, which container would you choose instead for your cheese? The other common cause of moldy cheese is inconsistent temperatures in refrigeration.

Can you eat cheese that has mold on it reddit? ›

When the cheese is starting to show mold is means the mold is already inside the other parts of the cheese as well. Same with bread. Don't eat moldy bread, cheese, fruit, or anything really.

What is the mold on vacuum sealed cheese? ›

Thread mould is a defect which occurs sporadically in maturing vacuum packaged Cheddar cheese, caused by the growth of fungi in folds and wrinkles of the plastic film in which the cheese is packaged. Fungi were isolated and identified from 110 Cheddar cheese blocks exhibiting typical thread mould defects.

Can cheese go bad without mold? ›

So long as you still like the taste, the cheese is fine. Just be aware that the flavor will intensify on most cheeses over time. If the small bite of cheese makes your tongue, lips or cheek tingle or burn, the cheese is bad (even if it passed the look and smell tests).

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