Dry gravy mixes keep about 1–2 days in the fridge at 40°F (4°C) or below, counting from the day you bought them.
| Situation | Keeps for |
|---|---|
| Unopened · pantry | 2 years |
| Unopened · fridge | 1–2 days |
About 1–2 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.
Dry gravy mixes are shelf-stable at room temperature: cool, dry pantry, or refrigerate at 40°F (4°C) or below to keep it longer. Refrigerating it mainly preserves quality rather than safety.
Look for: Mould around the rim, cap, or surface; An off, fermented, or yeasty smell; Fizzing, bubbling, or a bulging lid; Separation or a colour change that won't stir back in. Never taste something to test it — when in doubt, throw it out.