How to Tell Which Types of Mold Are Safe to Eat on Cheese

You open the fridge, find a piece of cheese in the back, and a fuzzy green spot is staring back at you. Panic? Not necessarily. Mold on cheese isn’t always a sign it needs to go straight in the trash—in fact, there are some types of mold that are perfectly safe to eat. Yep, you read that right. The key is knowing the difference.

Here’s your informal guide to cheese mold—the good, the bad, and the truly nasty.

When Mold Is Meant to Be There: The Noble Molds

Some cheeses don’t just allow mold—they depend on it.

1. Blue Cheeses (Roquefort, Gorgonzola, Danablu)
These cheeses are loaded with Penicillium roqueforti or Penicillium glaucum—mold cultures intentionally added during production. The blue-green veins pack a punch of flavor. Sure, it might smell like socks after a music festival, but the taste is complex, salty, and creamy.

2. White Mold Cheeses (Brie, Camembert)
These cheeses have a surface covered in Penicillium camemberti—the soft white rind that makes you feel a little more French than you really are. Eat the rind. It’s what makes the cheese what it is. Taking it off is like eating a hot dog without the sausage.

When Mold Is a Warning Sign

But what about the cheese you didn’t buy with mold on it?

1. Hard and Firm Cheeses (Parmesan, Cheddar, Emmental)
If there’s a bit of mold on the outside—usually green or white and fuzzy—and the rest of the cheese is firm, you can usually just cut it off. Slice off about ½ to 1 inch (1–2 cm) around the mold spot, and you’re good to go. Mold has a hard time penetrating hard cheeses.

2. Soft and Fresh Cheeses (Mozzarella, Cream Cheese, Ricotta)
This is a definite no-go. If there’s mold on a soft cheese, don’t eat the rest. Mold can spread invisible roots throughout the cheese, and it’s just not worth the risk. Toss it.

What the Colors Mean—And When to Stay Away

Blue, green, and white mold on hard cheeses can be okay if removed properly.

Black, red, or orange mold? Forget it. These can be signs of molds that produce toxins. Throw it out.

If the cheese smells like ammonia, rancid fat, or a damp basement, the mold isn’t your only problem—it’s the whole package.

Pro Tip: Storage Matters

Cheese—especially the good stuff—is best stored in wax paper or special cheese wrap, not plastic. Plastic traps moisture and makes it easier for unwanted mold to take hold and throw a little mold party.

And yes—it is a bit of an art to tell good mold from bad mold. But next time you find yourself holding a slightly fuzzy piece of cheese, you’ll know whether to trim it—or toss it.

Our team may have used AI to assist in the creation of this content, which has been reviewed by our editors.