Is blue cheese safe to eat if unrefrigerated for 12 hours?

Blue cheese should generally be refrigerated to prevent the growth of harmful bacteria. If it has been left unrefrigerated for 12 hours, it may not be safe to eat, especially if the temperature was above 70°F (21°C). It's best to err on the side of caution and discard it to avoid potential foodborne illness. Always prioritize food safety when it comes to perishable items.