Freezer burn is the drying out and toughening of food that occurs when it is frozen for an extended period of time. It is caused by the sublimation of water from the food’s surface, which leaves behind ice crystals. These ice crystals can damage the food’s cells, causing it to become tough and dry. Freezer burn can also affect the flavor of food, making it bland and unappetizing.
There are a number of things that can be done to avoid freezer burn, including: