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While properly cooking and then eating food that had stayed frozen at 0Â°F for years won't necessarily get you sick, you probably won't like how it tastes. So the USDA recommends tossing uncooked roasts, steaks and chops after a year in the freezer, and uncooked ground meat after just 4 months.
A sliced roast beef. Photo Credit Lisovskaya/iStock/Getty Images. Freeze an uncooked beef roast within three to five days of purchase if you aren't preparing it. Keep it frozen in its unopened packaging for up to a year.urn your freezer's temperature down as low as it goes three hours prior to freezing roasted beef. Clear as large a space for the meat as possible to maximize cold air circulation around it. The faster the roast beef freezes, the better it will be upon defrosting.