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The Daily Insight

How long before cheese gets moldy?

Author

Emily Sparks

Published Apr 07, 2026

How long before cheese gets moldy?

It all depends on things like the type of cheese, moisture, temperature, whether or not it’s sealed, etc. Unopened hard and semi-hard cheeses can last for up to two months in the fridge without going bad, and between six and eight months in the freezer.

Does sharp cheddar cheese have mold?

Blue and soft-ripened cheeses are grown with specific molds and safe to eat. However, if mold appears on soft, shredded, sliced, or crumbled varieties, you should discard them immediately. Meanwhile, hard cheeses like Parmesan, Swiss, and Cheddar can be salvaged by cutting away the molded area.

How long does sharp cheddar cheese last unrefrigerated?

Answer: Cheese can typically sit out at room temperature anywhere from 4 to 8 hours, depending on the type, and remain safe to eat.

How long does it take to make homemade cheddar cheese?

Once the curds are at 100°F, maintain the temperature and continue stirring for the next 30 minutes. If the curds get too hot, remove from heat. After 30 minutes, stop stirring and allow the curds to settle to the bottom of the pot. This will take about 20 minutes.

What’s the best way to press a cheese mold?

A good rule of thumb for pressing is to apply pressure until droplets of clear whey form in the openings of the cheese mold and drip onto your runoff plate. Do not apply to much pressure, or the draining whey will be milky, this would mean butterfat being squeezed out.

How long does extra sharp cheddar cheese last?

According to Cabot, mild cheddar is aged for two to three months. Extra sharp cheddar cheese is aged up to a year, and their specialty cheeses can be aged anywhere from 16 months on to several years. When a cheddar cheese ages, two things happens. First, the texture of the cheese changes.

What kind of cheese can you eat with mold in it?

Mold generally can’t penetrate far into hard and semisoft cheeses, such as cheddar, colby, Parmesan and Swiss. So you can cut away the moldy part and eat the rest of the cheese.

How to get rid of mold on cheddar cheese?

Wax your cheddar cheese. Cheese wax prevents hard cheeses, like cheddar, from drying out and growing mold as they age. Prepare the cheese for waxing by wiping the surface with a small piece of cheesecloth dipped in white vinegar. This will get rid of any visible or unseen mold.

How long to make sharp cheddar cheese at home?

Press with 20 pounds of weight, for about 45 minutes. Take out the cheese and flip it. Press again with 40 pounds of weight, for 3 hours. Remove and flip, then repeat with 50 pounds for 24 hours.

What kind of bacteria can you get from moldy cheese?

With these cheeses, the mold can send threads throughout the cheese — contaminating more than you see. In addition, harmful bacteria, such as listeria, brucella, salmonella and E. coli, can grow along with the mold. Mold generally can’t penetrate far into hard and semisoft cheeses, such as cheddar, colby, Parmesan and Swiss.

How long does it take for Cheddar cheese to dry?

Place it on a cheese board and let it dry for 2 to 5 days. The cheese should dry at room temperature. Keep it in a fairly light, dry location and away from excess humidity or moisture. The exact amount of time it takes to dry the cheese will vary depending on how humid the air is.