Once opened, Commercial cakes and muffins keep about 7–10 days in the fridge. Unopened, they keep about 3–7 days.
| Situation | Keeps for |
|---|---|
| Unopened · pantry | 3–7 days |
| Opened · fridge | 7–10 days |
| Freezer | 6 months |
About 7–10 days refrigerated at 40°F (4°C) or below, according to USDA FoodKeeper v128. Refrigerate it once it's open.
Yes — keep Commercial cakes and muffins at 40°F (4°C) or below once it's open. Cool, dry pantry unopened; refrigerate at 40°F (4°C) or below after opening.
Look for: Visible mould — green, white, black, or pink; A musty or alcohol-like smell; Hard, dry, or stale texture; A slimy or sticky crust. Never taste something to test it — when in doubt, throw it out.
Yes — USDA FoodKeeper v128 gives about 6 months in the freezer at 0°F (−18°C). Frozen food stays safe indefinitely; that window is about quality, not safety.