No food safety person would recommend that lasagna would be safe to eat after it was left out overnight.
Throw it out. I would not recommend eating anything left out overnight that contains ANY form of dairy (this includes the ricotta cheese in the lasagna), meat, eggs, or anything that contains a single ingredient that should be stored in the refrigerator.
several hours
Eggs should not be left out of the refrigerator for more than 2 hours to prevent them from becoming unsafe to eat.
My son is currently on Augmentin and we were told that it needs to be refrigerated because if it is left at room temperature for more than 9 hours it loses its potency.
When marinating ribs....they should be left in refrigerator in marinade no longer than 48 hours as a rule.
Rotisserie chicken should not be left out of the refrigerator longer than two hours.
how long is flu vaccine good for if left out of the refrigerator
A cheesecake should not be left out of the refrigerator for more than 5 or 6 hours. It will last longer, however, if it is kept out of direct sunlight and is not in very hot conditions.
Unless where it was left out of the fridge was as cold as the refrigerator, I would not recommend using that meat.
Unless the meat is labeled that it does not require refrigeration, it should not be left out for more than two hours.
Unfortunately, whatever you do to it might not make it safe to eat. Some bacteria produce toxins that are not destroyed by heating. And you don't know if rinsing would get everything.
Yes, buttermilk will spoil if left out of the refrigerator for an extended period of time. It is best to store buttermilk in the refrigerator to maintain its freshness and prevent spoilage.
According to StillTasty.com, it will remain safe for 2 hours out of the refrigerator.