As long as it stays refrigerated, it should not go bad before the expiration date. If it's left out, it should be eaten the same day. Depending on tempertaures, you could go another day, but I personally wouldn't.
Yes, ricotta cheese in cookies can go bad. Ricotta cheese actually tends to spoil pretty quickly so the cookies should be refrigerated or eaten as soon as possible.
No potentially hazardous foods will last forever. Yes. Goat cheese will go bad much faster if not refrigerated.
Any food that required refrigeration will eventually go bad - even in the refrigerator. Refrigeration delays spoilage by slowing microbial growth - it does not prevent it.
Usually, yes. Unless the package says otherwise. They are diary product and can go bad, but the exception is some brands of cheese that are in shelf stable packages.
Yes. After baking (or mixing no-bake cheesecake), it should be refrigerated promptly. Baked cheesecake contains eggs, cheese, and sometimes sour cream, which will all go bad very quickly if stored at room temperature.
Yes, gravy will go bad if not refrigerated. The pH and water activity are not low enough to make it shelf stable without a canning process.
Of course milk needs to be refrigerated because if you don't refrigerate it, it will get chunky and go bad.
Eventually, yes. Asiago is an aged cheese, so it has a low moisture content and does not go bad very quickly. (That also implies that it can go bad quickly if it gets wet). If kept refrigerated and properly wrapped, it will stay good for months. It might develop some spots or a thin layer of harmless mold, which can be cut or scraped off. If the mold has taken over, though, you might as well throw it out. Also, you should throw out cheese that has become contaminated by contact with uncooked vegetables. Your nose knows! if it smells bad, it is bad.
Anything can go bad if left uncooled or old. I can never make port wine cheese last long enough to go bad.
Bleu Cheese gets bad; not better. It will start to smell.
Yes. Every food can go bad. Cream cheese frosting should be kept in the fridge, since it has dairy in it.
yes after a while. if you want it to last longerput it in the freezer