I just bought this pack of ground beef from the store yesterday and put it in the fridge. I went to cook dinner and noticed the plastic film is puffed up like a balloon, but the date is still good. Wh

Sell-by dates are meant to guide stores on how long to display a product for sale. They do not necessarily indicate the exact moment when the food will spoil. Instead, they suggest the timeframe for optimal quality.
It’s important to also consider how the meat has been handled and stored. Even if the sell-by date is still valid, improper storage or handling can lead to premature spoilage.

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