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Can I Still Cook a Freezer Burnt Roast?

by Fred Decker, studioD

Freezing is a remarkably effective method of preserving food for long periods, but it isn't entirely foolproof. Most foods deteriorate somewhat while they're in your freezer, especially if you open it often enough for the temperature to fluctuate. A common result of extended storage is freezer burn, the formation of gray-brown discolored patches on the surface of meats and other foods. While you probably should throw out small pieces of meat if they're freezer burnt, larger cuts, such as roasts, can usually be salvaged.

Burning With Cold

When a piece of meat is frozen, the liquids within the muscle cells are transformed into the equivalent of millions of tiny ice crystals. If the meat is vacuum-sealed in an airtight bag, as it is in commercial meatpacking plants, it retains its quality for a long time. If it's home-packaged in freezer bags, the meat's lifespan is shortened by the presence of air pockets inside the packaging. Ice crystals within the meat are drawn to the area where air is available, essentially freeze-drying the surface of the roast in that spot. The dry tissues quickly develop rancid flavors as their fats and flavor compounds react with oxygen in the air, oxidizing and forming unpleasantly rank flavors.

Safe, But Not Fun

As long as the roast has stayed frozen throughout its storage time, it will remain food safe to eat even if it has freezer burn. Although it's still safe to eat, it will probably not taste good. The freeze-drying effect of freezer burn leaves that area of the meat's surface dried to a cardboardlike consistency, and its flavor is equally distasteful. Enterprising cooks sometimes try to mask the effects of freezer burn with sauces, but it doesn't really work. The only real solution is to cut away the affected area, an option that can salvage most roasts.

Salvaging Your Roast

To launch your salvage operation, thaw the roast in your refrigerator for 12 to 36 hours, depending on its size. It will be easier to cut if it's thawed at the surface but still slightly frozen underneath. Place the roast on a clean cutting board and trim away any areas that show freezer burning, cutting up to 1/4 inch deep, or as needed, to remove the damaged meat. If your roast is rolled and tied, and if the freezer burnt area overlaps a seam in the roast, cut the twine and inspect the inner areas for freezer damage. Trim them as needed, then roll and re-tie the roast with butcher's twine. Season the trimmed-down roast, and prepare it according to your favorite recipe.

Minimizing Freezer Burn

It's said that an ounce of prevention is worth a pound of cure, and it's certainly possible to lose a pound of your roast to freezer burn. To minimize the impact on your grocery bill, give your meats the best possible wrapping. A vacuum food sealer is best, but if you don't have one, make an effort to squeeze out as much air as possible from your freezer bags. Wrapping your meats tightly in cling wrap before bagging them can help, or alternatively double-bagging your meats. Use adhesive labels to date every package, and make an effort to use the oldest packages first. The slight extra effort will pay off in higher-quality frozen meats, and less freezer burn.

About the Author

Fred Decker is a trained chef and certified food-safety trainer. Decker wrote for the Saint John, New Brunswick Telegraph-Journal, and has been published in Canada's Hospitality and Foodservice magazine. He's held positions selling computers, insurance and mutual funds, and was educated at Memorial University of Newfoundland and the Northern Alberta Institute of Technology.

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