Casserole
The answer
Casseroles last 3–4 days in the fridge and 2–3 months in the freezer (up to 4–6 months for cooked poultry dishes).
Caution Refrigerate within 2 hours. Reheat to 165°F throughout.
How long it keeps
Fridge (40°F) 3–4 days safe window
Freezer (0°F) 2–3 months best quality
Room temp 2 hours max then discard
Discard Discard if held above 40°F for more than 2 hours, or above 90°F for more than 1 hour.
By state & packaging
State Fridge Freezer
Meat or vegetable casserole 3–4 days 2–3 months
Cooked poultry casserole 3–4 days 4–6 months
Signs it has gone bad
✕ Sour or off smell
✕ Mold
✕ Slimy texture
FAQ
How long is leftover casserole good?
3–4 days in the refrigerator. Freeze what you will not finish by then.