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What are the safest rules for cooling, storing, and reheating leftovers so you do not get sick?

7 Leftover Mistakes That Can Actually Make You Sick, Food Safety Experts Warn

To keep your leftovers safe, cool them quickly by dividing large portions into shallow containers no more than two inches deep[5]. Place these directly into the fridge within two hours of cooking, or one hour if the ambient temperature is above 90°F[5]. Keep your refrigerator at or below 40°F and avoid overstuffing it to ensure proper air circulation[5].

When reheating, use a food thermometer to reach an internal temperature of 165°F, stirring halfway through to ensure even heating[2][5]. Never rely on the sniff test; discard any refrigerated leftovers after three to four days[5]. High-risk foods include meats, gravies, rice, and pasta, which can harbor dangerous bacteria if left in the danger zone[5].