How long does cake, brownie, bread mixes last?
In the pantry, cake, brownie, bread mixes keeps for 12 to 18 months from the package date.
12 to 18 months
from the package date
No guideline
No guideline
Does cake, brownie, bread mixes go bad?
Cake, brownie, bread mixes is shelf stable, so the pantry time is about quality rather than safety: past it, flavour and texture fade before anything becomes unsafe. The date on the package is the maker's quality promise; the times here count from purchase unless marked "from the package date".
Two numbers to keep in mind: a fridge at 40 F (4 C) or below, and no more than 2 hours at room temperature (1 hour above 90 F / 32 C) for anything perishable.
How cake, brownie, bread mixes compares with other baked goods: baking and cooking
USDA FoodKeeper gives cake, brownie, bread mixes one time: 12 to 18 months in the pantry from the package date, 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 cake, brownie, bread mixes in baked goods: baking and cooking show the range for the group:
| Food | Pantry | Fridge | Freezer |
|---|---|---|---|
| Baking soda | 2 to 3 years | no guideline | no guideline |
| Barley(first of 2 kinds) | 6 months | no guideline | 12 months |
| Biscuit or pancake mix | 9 months | no guideline | no guideline |
| Buckwheat(first of 2 kinds) | 2 months | no guideline | 4 months |
| Butter flavor | 2 years | no guideline | no guideline |
| Chili powder | 2 years | no guideline | no guideline |
| Chocolate | 1 to 2 years | no guideline | no guideline |
| Cinnamon extract | 2 years | no guideline | no guideline |
| Cinnamon rolls(first of 2 kinds) | no guideline | Use by the package date | no guideline |
| Cocoa and cocoa mixes | Keeps indefinitely | no guideline | no guideline |
About baked goods: baking and cooking. Dry baking staples like flour and sugar last a long time if kept dry and sealed, but they can pick up pantry pests or absorb moisture and odours from nearby food. Oils slowly turn rancid over time, even unopened, especially once exposed to heat or light. All baked goods: baking and cooking.
How to tell cake, brownie, bread mixes has gone bad
General signs for baked goods: baking and cooking, the group USDA lists cake, brownie, bread mixes under.
- Small moths, beetles or larvae in the flour or grains
- Clumping or hardening from moisture getting into the bag
- Sharp, crayon-like or paint-like smell from oil
- Baking powder that no longer fizzes when mixed with water
- Chocolate chips with a dull grey bloom or waxy smell
More on baked goods: baking and cooking. The times above are quality guidelines, not safety limits; food that shows these signs goes out regardless of the date.
How long do other baked goods: baking and cooking last?
Source: USDA FSIS FoodKeeper dataset (public domain). How we decode the data.