Thanksgiving leftovers are usually safe in the fridge for about 3–4 days , so anything still sitting there after the Monday following Thanksgiving should be thrown out or should already have been frozen.

General safety rule

Most cooked Thanksgiving foods (turkey, stuffing, casseroles, most pies) should be:

  • Eaten or frozen within 3–4 days when kept in the refrigerator.
  • Tossed after that point if they were never frozen, even if they still look or smell okay.

If you froze your leftovers within that 3–4 day window, they can stay safe for months, though quality slowly drops over time.

Quick timeline example

Using a typical Thursday Thanksgiving:

  • Thursday–Sunday: Safest window to enjoy refrigerated leftovers.
  • Monday: Last generally recommended day to eat refrigerated leftovers; after that, they should be tossed or already frozen.
  • Any day after Monday: If it stayed in the fridge the whole time, it should go in the trash.

How long specific dishes last

Here are common Thanksgiving items and when to throw them out if refrigerated (not frozen):

  • Cooked turkey: 3–4 days. After that, toss.
  • Stuffing & casseroles: 3–4 days.
  • Gravy: 1–2 days; if it’s older than that in the fridge, toss.
  • Mashed potatoes/yams: Around 4–5 days; many guides still recommend staying close to the 3–4 day rule.
  • Pumpkin or similar custard pies (refrigerated): Up to 4 days.
  • Cranberry sauce: Can last up to about 2 weeks in the fridge thanks to its sugar and acidity, but many people still align with the 3–4 day rule for mixed leftovers.

If any of these were frozen within the safe window, they can often be kept for 2–6 months (turkey commonly up to 2–6 months, pies and casseroles around 2–3 months) before quality noticeably drops.

Smell test is not enough

Bacteria that cause foodborne illness do not always change the smell, taste, or appearance of food, so going “by nose” or “by looks” is not reliable after the recommended timeframe.

When in doubt, the safest rule with old Thanksgiving leftovers is “when should I throw out Thanksgiving leftovers?” → Sooner rather than later.