Arzúa-Ulloa Cheese vs Casu marzu Cheese

Q: Is Arzúa-Ulloa Cheese the same as Casu marzu Cheese?

No. Arzúa-Ulloa Cheese and Casu marzu Cheese are distinct cheeses from Spain and Italy respectively. See the side-by-side table for the specific differences in milk type, texture, and aging.

Q: Can I substitute Arzúa-Ulloa Cheese for Casu marzu Cheese?

In most recipes you can swap Arzúa-Ulloa Cheese for Casu marzu Cheese, though the result will shift in richness and milk character.

Q: Which should I choose, Arzúa-Ulloa Cheese or Casu marzu Cheese?

It depends on the dish. The texture and flavor rows in the table above are the best guide. Pick the one whose profile fits your recipe or board.

Arzúa-Ulloa Cheese is a unctuous and creamy cow-milk cheese from Spain, while Casu marzu Cheese is soft, soft-ripened and made from sheep milk, originating in Italy.

What Is Arzúa-Ulloa Cheese?

Arzúa-Ulloa is a soft cow's milk cheese from Galicia, Spain, protected as Arzúa-A Ulloa PDO. It is known for a thin yellow rind, a creamy pale paste, and a mild flavor that is slightly sweet and grassy.

What Is Casu marzu Cheese?

Casu marzu is a Sardinian sheep milk cheese fermented by live cheese fly larvae, which eat through a pecorino wheel and break down its fats until the paste turns very soft. Its sale is banned in Italy and the EU, and Guinness World Records called it the world's most dangerous cheese.

What's the Difference Between Arzúa-Ulloa Cheese and Casu marzu Cheese?

Origin: Arzúa-Ulloa Cheese (Spain), Casu marzu Cheese (Italy)
Milk type: Arzúa-Ulloa Cheese (Cow's milk (raw or pasteurized)), Casu marzu Cheese (sheep's milk)
Texture: Arzúa-Ulloa Cheese (Unctuous and creamy), Casu marzu Cheese (soft, soft-ripened)
Rind: Arzúa-Ulloa Cheese (thin and pliant, smooth), Casu marzu Cheese (natural)
Aging: Arzúa-Ulloa Cheese (At least 6 days), Casu marzu Cheese (3 months)
Taste: Arzúa-Ulloa Cheese (Slightly salty and pleasantly acidic, buttery and milky with nutty notes), Casu marzu Cheese (intense, spicy)

Side-by-Side Comparison

	Arzúa-Ulloa Cheese	Casu marzu Cheese
Country of Origin	Spain	Italy
Specific Origin	Galicia, Banks Of The Ulla River	Sardinia (Italy), Southern Corsica (France)
Milk Type	Cow's milk (raw or pasteurized)	Sheep's milk
Milk Treatment	Raw or Pasteurized	—
Texture	Unctuous and creamy	Soft, soft-ripened
Rind	Thin and pliant, smooth	Natural
Aging	At least 6 days	3 months
Taste	Slightly salty and pleasantly acidic, buttery and milky with nutty notes	Intense, spicy

Taste Comparison: Does Arzúa-Ulloa Cheese Taste Like Casu marzu Cheese?

Arzúa-Ulloa Cheese reads as slightly salty and pleasantly acidic, buttery and milky with nutty notes, while Casu marzu Cheese brings intense, spicy character. More specifically, Arzúa-Ulloa Cheese shows slightly sweet and grassy, while Casu marzu Cheese leans toward mediterranean, pastoral and spicy notes, with an aftertaste that lasts for hours. Aging plays into this as well. Arzúa-Ulloa Cheese at at least 6 days develops a different profile than Casu marzu Cheese at 3 months.

Can You Substitute Arzúa-Ulloa Cheese for Casu marzu Cheese?

Arzúa-Ulloa Cheese can stand in for Casu marzu Cheese in many dishes, but the switch will shift the overall character of the recipe. Expect unctuous and creamy bite and body where the recipe calls for soft, soft-ripened. Flavor-wise, Arzúa-Ulloa Cheese reads as slightly salty and pleasantly acidic, buttery and milky with nutty notes while Casu marzu Cheese brings intense, spicy notes.

Which Is Better, Arzúa-Ulloa Cheese or Casu marzu Cheese?

There's no single winner. It depends on your recipe and the profile you want. If you want a unctuous and creamy cheese, go with Arzúa-Ulloa Cheese. For a soft, soft-ripened profile, Casu marzu Cheese is the better fit. Flavor-wise, Arzúa-Ulloa Cheese suits recipes that want slightly salty and pleasantly acidic, buttery and milky with nutty notes notes, while Casu marzu Cheese fits dishes calling for intense, spicy.

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Frequently Asked Questions

Is Arzúa-Ulloa Cheese the same as Casu marzu Cheese?

No, they're distinct cheeses. Arzúa-Ulloa Cheese originates in Spain, while Casu marzu Cheese comes from Italy. Arzúa-Ulloa Cheese is made from cow milk; Casu marzu Cheese uses sheep. Aging also differs: Arzúa-Ulloa Cheese is typically aged at least 6 days, Casu marzu Cheese 3 months.

Is Arzúa-Ulloa Cheese similar to Casu marzu Cheese?

Not closely. They use different milk bases and have distinct profiles.

Can I substitute Arzúa-Ulloa Cheese for Casu marzu Cheese?

You can, but expect a shift in richness and milk character.

Does Arzúa-Ulloa Cheese taste like Casu marzu Cheese?

Arzúa-Ulloa Cheese reads as slightly salty and pleasantly acidic, buttery and milky with nutty notes, while Casu marzu Cheese is intense, spicy.

What is Arzúa-Ulloa Cheese made of?

Arzúa-Ulloa Cheese is made from cow milk (raw or pasteurized), using calf rennet. It's typically aged at least 6 days. It originates in Spain.

What is Casu marzu Cheese made of?

Casu marzu Cheese is made from sheep milk. It's typically aged 3 months. It originates in Italy.

Which should I choose, Arzúa-Ulloa Cheese or Casu marzu Cheese?

It depends on the dish. The texture difference is the biggest practical tell. Arzúa-Ulloa Cheese is unctuous and creamy, while Casu marzu Cheese is soft, soft-ripened.