Tempeh keeps about 3–4 days in the fridge at 40°F (4°C) or below, counting from the day you bought it. Frozen, it keeps about 6 months.
That's the longest window published for Tempeh — sealed in the fridge is its best case.
| Situation | Keeps for |
|---|---|
| Unopened · fridge | 3–4 days |
| Freezer | 6 months |
Air and warmth are what shorten an opened item's life — the right container buys back the days the packaging gives up once the seal's broken.
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About 3–4 days at 40°F (4°C) or below, according to USDA FoodKeeper v128. That window runs from the day you bought it — FoodKeeper publishes no separate after-opening figure for this one.
Yes — keep Tempeh at 40°F (4°C) or below. Refrigerate at 40°F (4°C) or below.
Look for: Heavy ice crystals or freezer burn; Dry, discoloured, or leathery patches; An off smell once thawed; A package that clearly thawed and refroze. Those are the general signs for frozen foods — USDA FoodKeeper v128 publishes no spoilage note for Tempeh specifically. Never taste something to test it — when in doubt, throw it out.
Yes — USDA FoodKeeper v128 gives about 6 months in the freezer at 0°F (−18°C). Frozen food stays safe indefinitely; that window is about quality, not safety.