Polenta — shelf-stable: Does it expire?
YES — Opened: refrigerate 5–7 days
| Storage | Unopened | Opened |
|---|---|---|
| Refrigerator | — | 5–7 days |
Sources & safety note
Sources: USDA FoodKeeper (CC0 open data). Freezer safety note: commercially frozen foods are safe indefinitely at 0°F (-18°C); posted times reflect best quality.
New to this? See our storage & safety guide for quick best practices.