When does macaroni and cheese go bad?

Homemade Macaroni and Cheese:

* Refrigerated: Homemade macaroni and cheese, stored properly in the refrigerator, will generally stay good for 3-4 days.

* Frozen: Frozen homemade macaroni and cheese can last for 2-3 months in the freezer.

Store-Bought Macaroni and Cheese:

* Unopened: Unopened boxes or cans of store-bought macaroni and cheese can last for several months past the "best by" date, as long as they are stored properly in a cool, dry place.

* Opened: Once opened, store-bought macaroni and cheese should be consumed within 3-4 days when refrigerated.

Signs of Spoiled Macaroni and Cheese:

* Mold: The presence of mold is a clear sign that the macaroni and cheese has gone bad.

* Off smell: If the macaroni and cheese has a sour or unpleasant smell, it's best to discard it.

* Off taste: If the macaroni and cheese tastes sour or off, it has likely gone bad.

* Color change: If the color of the macaroni and cheese has significantly changed, it's best to err on the side of caution and throw it out.

Important Tips:

* Refrigerate promptly: After cooking, refrigerate homemade macaroni and cheese within 2 hours to prevent bacteria growth.

* Store properly: Store macaroni and cheese in an airtight container in the refrigerator.

* Check for signs of spoilage: Always check for signs of spoilage before consuming macaroni and cheese, especially if it's been stored for a while.

* When in doubt, throw it out: If you're unsure about the freshness of macaroni and cheese, it's always better to err on the side of caution and discard it.

Remember, food safety is crucial, and eating spoiled food can cause foodborne illness.