Cooked quinoa, like other cooked grains, is considered a perishable food item and should not be left at room temperature for an extended period. The general rule for cooked foods is the "2-hour rule," which means that perishable foods should not be left at temperatures between 40°F (4°C) and 140°F (60°C) for more than 2 hours.
If cooked quinoa is left out at room temperature for more than 2 hours, it becomes susceptible to bacterial growth, which can lead to foodborne illnesses. Therefore, it's essential to refrigerate cooked quinoa promptly.
If you need to store cooked quinoa without refrigeration for a short period, try to keep it in a cool environment and consume it within the same day. However, to ensure food safety and prevent the risk of foodborne illness, it's best to refrigerate cooked quinoa within 2 hours of cooking.
In the refrigerator, cooked quinoa can last for 3 to 5 days when stored in an airtight container. If you need to store it for a more extended period, you can freeze it in sealed freezer-safe bags or containers. Properly frozen cooked quinoa can last for several months. Remember to label the container with the storage date to keep track of its freshness. When you're ready to use the frozen quinoa, thaw it in the refrigerator or reheat it to piping hot temperatures before consuming.