Here are some helpful guidelines on how long to keep your fresh and packaged goods. Because of this distinction, you may safely use frozen fruit to compliment your favorite meals even after the best by date has lapsed. The water will evaporate out of the ingredients and cause freezer burn. Between the different expiry and use-by labels, plus the risk of frozen foods starting to spoil, it's no surprise many people may be confused about what is safe and not so safe to eat. Health-wise it’s probably fine to eat them several years after their expiration date. How long will frozen pizza remain safe to eat? How long can frozen food last in your freezer? At the Wittekind house, the frozen food can be a lot older than two years. But they might not taste very nice: The fat will eventually go rancid and taste bad. You find a box of crackers in your pantry that's past its best before date – do you still dig in? Yes, if properly stored - commercially frozen pizza will typically carry a Best By," "Best if Used By," Best Before, or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the pizza will remain at peak quality. But remember that frozen fruit, like a lot of other fruit, usually has a best by date and not a use by date or expiration date. Here, we've rounded up 20 products that are fine to eat past the package date, so long as you take the proper precautions. In many cases, expiration dates are important indicators of how safe the food is to consume, but with certain items, it can be used as more of a guideline. Milk, eggs, bread and leftovers can be frozen if stored correctly. If you don't mind freezer burn, then frozen foods can be eaten long after their expiration dates. Photo: iStock. It’s a much better—and more economical—option than letting it sit in the fridge, only to throw it out at expiration. Les Wittekind found a bag of frozen … Of course, frozen fruit lasts for a shorter period of time if it is not stored properly. Is frozen pizza safe to eat after the expiration date on the package? Just be sure to label it (freezing has its own set of guidelines for how long to keep!). If the food can be frozen (meat, for example), pop it in the freezer prior to its reaching the expiration date.