How long does Miso last after opening?
Vegetarian Proteins
USDA FoodKeeper does not list a storage time for Miso after opening.
Use the full storage table below to compare pantry, refrigerator, freezer, and opened-package guidance.
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Safe Storage Table
| Storage method | FoodKeeper guidance |
|---|---|
| Pantry | No FoodKeeper time listed |
| Pantry after opening | No FoodKeeper time listed |
| Refrigerator | No FoodKeeper time listed |
| Refrigerator after opening | No FoodKeeper time listed |
| Refrigerator after thawing | No FoodKeeper time listed |
| Freezer | Not Recommended |
| Package date pantry | No FoodKeeper time listed |
| Package date refrigerator | 1 year |
| Package date freezer | No FoodKeeper time listed |
Source: USDA FSIS FoodKeeper Data. Direct JSON feed: https://www.fsis.usda.gov/shared/data/EN/foodkeeper.json.
FAQ
How long does Miso last?
Miso: 1 year in the fridge.
Can you freeze Miso?
USDA FoodKeeper lists Miso as not recommended in the freezer.
What should I do if Miso looks or smells off?
Discard it. Storage times are guidelines, and USDA FoodKeeper notes can vary by item; when in doubt, throw it out.