How long does duck fat last?
Duck fat keeps for 30 days in the fridge. Times are USDA FoodKeeper quality guidelines from the point of purchase unless noted.
No guideline
30 days
from purchase
No guideline
How duck fat compares with other condiments, sauces & canned goods
USDA FoodKeeper gives duck fat one time: 30 days in the fridge from purchase, and no figure for the other places. A blank usually means the food is not stored that way, not that the data is missing. The foods USDA lists next to duck fat in condiments, sauces & canned goods show the range for the group:
| Food | Pantry | Fridge | Freezer |
|---|---|---|---|
| Chutney | 1 year | no guideline | no guideline |
| Cooking wine | Use by the package date | Use by the package date | no guideline |
| Cranberry sauce(first of 2 kinds) | 2 years | no guideline | no guideline |
| Cream sauces, milk solids | 6 to 12 months | no guideline | no guideline |
| Dry gravy mixes | 2 years | 1 to 2 days | no guideline |
| Frying oil | no guideline | 1 month | 6 to 9 months |
| Gravy | 2 to 5 years | no guideline | no guideline |
| Hoisin sauce | 18 to 24 months | no guideline | no guideline |
| Honey | 2 years | no guideline | no guideline |
| Horseradish | no guideline | 12 months | no guideline |
About condiments, sauces & canned goods. Many condiments last for months in the fridge after opening because of their salt, sugar, vinegar or oil content, though quality fades before safety does. Canned goods are shelf stable for years unopened, but the can itself needs checking before use. All condiments, sauces & canned goods.
How to tell duck fat has gone bad
General signs for condiments, sauces & canned goods, the group USDA lists duck fat under.
- Dented, bulging or rusted cans, especially at the seams
- Hissing sound or spray when a can or jar is opened
- Mould on the surface of a sauce or condiment
- Separation, discoloration or a sharp off smell from the jar
- Metallic taste or cloudy liquid in canned food
More on condiments, sauces & canned goods. The times above are quality guidelines, not safety limits; food that shows these signs goes out regardless of the date.
Storage habits that make the difference
Refrigerate opened condiments and sauces with their lids on tightly, and use a clean spoon each time to avoid contamination. Store unopened cans in a cool, dry cupboard, and once opened, transfer leftover canned food to a covered container in the fridge rather than storing it in the can.
More in condiments, sauces & canned goods
Source: USDA FSIS FoodKeeper dataset (public domain). Times assume a fridge at 40 F (4 C) and a freezer at 0 F (-18 C). How we decode the data.