USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperLast reviewed: January 2026
Reviewed by the Can I Eat Expired Editorial Team using official USDA, FDA, and CDC food safety guidance. How we assess food safety risk
Discard them after the expiration date.
Storage temperature, how long they have been opened, and package integrity change the answer — and those details are easy to miss.
Get a yes / no answer for your egg yolks →
Check Your Exact Situation

Fridge
34-40°F (1-4°C)
Store in airtight container. Keep refrigerated at all times.
Dairy products require consistent cold storage (40°F or below) to prevent spoilage. A refrigerator thermometer (Amazon) helps ensure your refrigerator maintains safe temperatures.
4 days
90 days
Off odor, discoloration, slimy texture, mold growth
Transferring opened dairy into an airtight container (Amazon) can reduce odor absorption and moisture exposure.
Garnish, salad topping, sandwich filling
Whole cooked eggs, egg substitute
The expiration date for cooked egg yolks is typically around 3 to 4 days when stored in the refrigerator. After this time, the risk of bacterial contamination increases, and the quality deteriorates. The best quality of cooked egg yolks, in terms of taste and texture, is within the first 1 to 2 days of cooking. While it may still be safe to consume them after the expiration date, the quality might not be as desirable.
If cooked egg yolks have gone bad, they may appear discolored, darker, or have a greenish hue. They might also have a sour or unpleasant smell, indicating spoilage. In addition, the texture may become slimy or grainy, suggesting that they are no longer safe to eat.
Cooked egg yolks can be a breeding ground for bacteria such as Salmonella if not stored properly. To reduce the risk of foodborne illness, it is crucial to refrigerate cooked egg yolks promptly and ensure they are heated to a safe internal temperature of 160°F (71°C) when cooking.
To store cooked egg yolks properly, place them in an airtight container or wrap them tightly in plastic wrap to prevent exposure to air and moisture. It is recommended to consume them within 3 to 4 days for the best quality. If you plan to store them for a longer period, consider freezing them in an airtight container or freezer bag for up to 3 months. Thaw frozen cooked egg yolks in the refrigerator before using.
Egg yolks are rich in nutrients like vitamin A, D, E, and K, as well as essential fatty acids. In many cultures, egg yolks are used in various traditional dishes such as custards, sauces, and desserts. In some cuisines, like Japanese cuisine, soft-cooked or marinated egg yolks are considered a delicacy.
If Cooked Egg Yolks have been left at room temperature for 2 hours, it's best to discard them. Bacteria can multiply rapidly at room temperature, increasing the risk of foodborne illness. To ensure food safety, always refrigerate Cooked Egg Yolks promptly after cooking.
Once Cooked Egg Yolks are opened, they should be consumed within 2 days if stored in the refrigerator. Properly sealing them in an airtight container can help maintain their quality and reduce the risk of contamination. Discard any leftover Cooked Egg Yolks if they exceed this timeframe to reduce the risk of foodborne illness.
Yes, the type of container used to store Cooked Egg Yolks can impact their shelf life. Opt for airtight containers to prevent exposure to air and moisture, which can lead to quicker spoilage. Transparent containers should be stored in a dark place to avoid light exposure, which can degrade the quality of the Cooked Egg Yolks.
Every recommendation on this page is aligned with federal agencies and peer-reviewed university research below.
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperField-to-fridge handling practices that prevent contamination of fruits, vegetables, and leafy greens.
Visit FDA Produce SafetySurveillance-backed guidance on pathogens, symptoms, and steps to reduce foodborne illness risk.
Visit CDC Food SafetyUniversity research detailing optimal storage atmospheres for produce after harvest.
Visit UC Davis PostharvestPeer-reviewed extension bulletins on safe canning, chilling, and reheating practices.
Visit Penn State ExtensionImportant: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out.
Disclosure: As an Amazon Associate, we earn from qualifying purchases. This helps support our site and allows us to continue providing free food safety information.