The USDA says cans can swell if the food inside expands when its frozen — or because of a bacteria — so you should discard them. Cans that are not swollen but have thawed out are also unsafe ...

Frozen french fries are a convenient snack food and a total crowd-pleaser ... While you can use the oven or even a deep fryer, there's a better option: the best air fryer. "You'll get crispier ...

If you plan on plopping frozen food into a deep fryer, you need to make sure you don't skip crucial steps. Here's a way to make the process safer.