Which cheese keeps the longest?

It's difficult to definitively say which cheese keeps the longest because "longest" can be relative to:

* Storage conditions: Temperature and humidity have a huge impact on cheese shelf life.

* Type of cheese: Hard, aged cheeses generally last longer than soft, fresh cheeses.

* Packaging: Vacuum-sealed or tightly wrapped cheeses can last longer.

That said, here are some cheeses known for their long shelf life:

* Parmesan: Hard, aged, and can last for months in the refrigerator.

* Cheddar: Also hard and aged, cheddar can last for several months.

* Pecorino Romano: Similar to Parmesan, this sheep's milk cheese can last for months.

* Gouda: A semi-hard cheese with a relatively long shelf life.

* Gruyère: Another semi-hard cheese that can last for several weeks.

Important Note: Even the longest-lasting cheeses will eventually spoil. It's crucial to check for any signs of mold, discoloration, or off-odor before consuming.

For specific shelf life details, always refer to the packaging information or consult a reliable source like a cheesemaker or a food safety website.