Tempeh
The answer
Unopened refrigerated tempeh is good until its printed date. Follow the package date.
How long it keeps
Fridge (40°F) Printed date (unopened) safe window
Freezer (0°F) ~12 months best quality
Room temp 2 hours max then discard
Discard Discard if the package is swollen or smells sharply sour.
The answer
Opened tempeh lasts 5–7 days in the fridge and about 12 months in the freezer.
Caution A little ammonia smell can be normal for fermented tempeh — discard if it is overpowering or the mold is black or pink.
How long it keeps
Fridge (40°F) 5–7 days (opened) safe window
Freezer (0°F) ~12 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
Unopened, refrigerated Printed date ~12 months
Opened 5–7 days ~12 months
Cooked 3–4 days 1–2 months
Signs it has gone bad
✕ Pink or black mold
✕ Overpowering ammonia or rot smell
✕ Slimy, mushy cake
FAQ
Is gray fuzz on tempeh normal?
White or gray mold is normal on tempeh — it is part of fermentation. Discard black, pink, or slimy tempeh.