How should leftovers be stored for optimal safety?

Storing leftovers in shallow containers and cooling them to 40°F or below is essential for optimal safety because it significantly reduces the risk of bacterial growth. When leftovers are stored in shallow containers, they cool more quickly, which helps to bring them down to safe temperatures faster. This practice minimizes the time food spends in the "danger zone," which is between 40°F and 140°F, where bacteria can multiply rapidly.

Keeping leftovers at or below 40°F helps to preserve their freshness and safety for consumption later. Proper cooling methods are crucial in food safety guidelines, as inadequately cooled leftovers can lead to foodborne illnesses. This approach ensures that leftovers remain safe to eat and helps to maintain their quality over time.