Cool cooked food promptly, label the date, and use refrigerated leftovers within the USDA window—or freeze portions you will not eat in time.
Food Safety guides
Choose refrigerator, cold-water, or microwave thawing based on the time you have, and know which methods require cooking right away.
A refreezing decision table for food thawed in the refrigerator, cold water, microwave, or a freezer that warmed during an outage.
Plan cold sources, separate drinks from perishables, pack a thermometer, and decide what to do if transported food rises above safe refrigerator temperature.
Use can shape, seam damage, swelling, leakage, and rust depth to decide whether a commercial can is intact enough to keep. Never taste food from a suspect container.
Compare dry ice with ordinary ice and other cold-storage options, check handling and ventilation limits, and prepare a supplier-and-appliance checklist.