A jar of something pale at the back of the freezer is only useful if you can tell what it is and when it went in. A label answers both questions in a few seconds and turns a guessing game into a routine.
Pick one date format and keep it
Mixed formats are the usual source of confusion: 05/06 could be the fifth of June or the sixth of May. The international standard format YYYY-MM-DD avoids the ambiguity entirely and sorts correctly when written on a row of containers. These notes use it throughout.
What to write, by storage type
| Item | Write | Why |
|---|---|---|
| Leftovers | Contents + date cooked | Lets you use the oldest first while it is still at its best. |
| Frozen portions | Contents + date frozen + number of servings | Frozen food loses its visual cues; the label is the only clue. |
| Decanted dry goods | Contents + best-before from the original package | The date on the original bag is lost once you transfer it to a jar. |
Best-before is about quality, not a hard safety line. Many shelf-stable foods remain acceptable past that date if stored well, while a date alone never overrides obvious signs of spoilage. Treat the label as information, not a verdict.
First in, first out
The single habit that makes labeling pay off is putting newer stock behind older stock and reaching for the front. Borrowed from how shops rotate inventory, it means the oldest item is always the next one used, so things are far less likely to be forgotten until they are wasted.
- New purchases go to the back of the shelf or freezer drawer.
- The front row is the “use next” row.
- A quick monthly scan catches anything drifting toward its date.
Tools that survive the cold and damp
Freezer condensation lifts ordinary sticky labels and smears ballpoint ink. A waterproof marker on freezer tape, or removable labels rated for cold, keeps writing legible after weeks at −18 °C. Reusable labels on jars save tape and stay readable in a dry pantry.
Where this connects
Dates are most useful next to the right storage temperatures, and a labeled stock is far easier to rotate inside a well-planned pantry layout.