Cooked leftovers: six steps for fast chilling and 3–4-day use
USDA recommends dividing leftovers into shallow containers and chilling within two hours of cooking; use refrigerated leftovers within about three to four days.
Original source: How do I handle leftovers safely? | USDA FSIS (updated December 20, 2024)
Link card to the original USDA FSIS guidance
Open source ↗Instead of leaving a large pot out to cool, transfer leftovers into shallow portions and refrigerate promptly. Time and temperature matter more than a smell test.