Once opened, Roasted nuts (peanuts, cashews, almonds) keep about 4 weeks in the fridge. Unopened, they keep about Until the package use-by date.
| Situation | Keeps for |
|---|---|
| Unopened · pantry | Until the package use-by date |
| Opened · pantry | 1–2 weeks |
| Opened · fridge | 4 weeks |
About 4 weeks refrigerated at 40°F (4°C) or below, according to USDA FoodKeeper v128.
Roasted nuts (peanuts, cashews, almonds) are shelf-stable at room temperature: cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality. Refrigerating it mainly preserves quality rather than safety.
Look for: A rancid, paint-like, or musty smell; Bulging, leaking, deeply dented, or rusted cans; Insects or webbing in dry goods; Mould or discoloration. Never taste something to test it — when in doubt, throw it out.