Cooked casseroles last 3-4 days in the fridge at 40°F or below. Freeze meat casseroles 2-3 months and poultry casseroles 4-6 months for best quality; frozen food stays safe indefinitely.
Storage times from USDA, FoodSafety.gov, FDA and university extension services. Checked .
How long does casserole last in the fridge?
3–4 days at 40°F (4°C) or below.
Can you freeze casserole?
Yes. For best quality use it within 2–3 months. Meat casseroles; poultry casseroles 4-6 months; best quality; safe indefinitely at 0°F.
- Freeze in portions or in a foil-lined dish, then lift out and wrap.
- Casseroles can be reheated from frozen.
After thawing: Thaw in the fridge and use within 3-4 days, or reheat straight from frozen to 165°F; fridge-thawed portions can be refrozen.
How long can casserole sit out?
No more than 2 hours at room temperature, or 1 hour when it's above 90°F (USDA's 2-hour rule). After that, throw it out.
How to tell if casserole has gone bad
- Sour smell
- Mold
- Slimy or off-color texture
Bacteria that cause food poisoning don't always change the look or smell of food, so go by the storage times above. When in doubt, throw it out.
Questions people ask
How long does lasagna last in the fridge?
3-4 days, like other cooked casseroles.
Can I bake a casserole from frozen?
Yes. FSIS says frozen casseroles can be reheated without thawing; it just takes longer. Heat to 165°F.