If you purchased a standing rib roast for an X-mas Eve dinner, and it isn't frozen, keeping it in the refrigerator for three weeks is not recommended. Three weeks is a long time for fresh meat to stay safe and maintain its quality in the refrigerator. Instead, you have two safer options:
Refrigerate for a shorter period: If you plan to have the standing rib roast within a few days (ideally within 3-5 days), you can refrigerate it. Make sure to keep it properly wrapped or in an airtight container to prevent any cross-contamination.
Freeze it: Freezing is the better option if you don't plan to use the roast within a few days. Freezing will preserve the quality and safety of the meat. Wrap the roast tightly in plastic wrap or aluminum foil and place it in a freezer-safe bag to prevent freezer burn. Make sure to label the package with the date of freezing for easy reference.
If you choose to freeze the roast, it can stay safe to eat indefinitely while frozen, but for the best quality, it's recommended to use it within 6-12 months. Make sure your freezer is set at 0°F (-18°C) or lower to maintain the meat's quality during freezing.
When you are ready to prepare the standing rib roast for your X-mas Eve dinner, allow it to thaw in the refrigerator for a couple of days. Never thaw meat at room temperature, as it can lead to bacterial growth. Thawing in the refrigerator is the safest method to maintain food safety.
Always remember to follow proper food safety guidelines to ensure the meat remains safe to eat and that you have a delicious and enjoyable holiday meal!