How should leftovers be stored to ensure food safety?

To maintain food safety when storing leftovers, it is crucial to place them in airtight containers and refrigerate them within two hours of serving. This practice helps to minimize the risk of bacterial growth, which can occur when food is left at room temperature for too long. By sealing leftovers in airtight containers, you also limit exposure to air, which can cause spoilage and loss of quality. Refrigeration slows down the growth of pathogens, making it safer to consume the food later on.

Other methods such as using open containers can expose food to contaminants and increase the risk of spoilage, while keeping food at room temperature can lead to unsafe conditions for bacteria to proliferate. Storing food in the freezer without covering it can lead to freezer burn and compromise the texture and flavor of the food, as well as failing to protect it from contamination. Therefore, the recommended method ensures both safety and quality preservation for leftovers.