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How long does yeast, packaged last?
Yeast, packaged keeps for about 2 years in the pantry. Counted from the date of purchase.
| Where | How long |
|---|---|
| Pantry | 2 years |
| Refrigerator, after opening | 4 months |
| Freezer | 6 months |
Store in cool, dry place. Must be refrigerated or frozen once opened.
Storage times are the USDA FoodKeeper guidance for quality and safety, not a guarantee; a printed use-by date on the package comes first. Source: USDA FSIS FoodKeeper (CC0), fetched 2026-10-27, category Baked Goods / Baking and Cooking.
How Known uses thisWhen a receipt lists yeast, packaged, Known estimates an expiry from the purchase date and typical shelf life and shows which rule it used, for example "7-day rule". Shelf-stable staples get no date at all.
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