Instant mashed potato
How long it keeps
About 10 months unopened
Once opened, about 180 days.
Source: FoodKeeper (USDA), 393 Potatoes, instant, 10–15 Months; 6–12 Months after opening · https://catalog.data.gov/dataset/fsis-foodkeeper-data
What ends it. It takes up water from the air, which is what makes it cake, soften or grow mould. How to make it last longer
Storage
Cool, dry, and resealed, because the flakes take up damp from the air. Light, compact, and needs only boiling water, which makes it one of the most useful things to carry.
The pack
- Typical UK size
- 176 g
- Weight packed
- 185 g
- Volume
- 450 ml
Computed from net weight and standard pack geometry, not weighed. Manufacturers publish net weight and nobody publishes packed weight or displaced volume, so this is an estimate and is labelled as one.
Per 100 g
Deliberately narrow. These are the five things a long-life diet actually gets wrong, plus energy and protein. It is not a general nutrition model and is not meant to be.
- Energy
- 320 kcal
- Protein
- 8.4 g
- Fibre
- 7.7 g
- Vitamin C
- 130 mg
- Vitamin A
- 0 µg
- Omega-3
- not measured
- Sodium
- 450 mg
Source: CoFID 2021, 13-598 Potato powder, instant, raw