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For an overview of InstaMash in the Fallout series of games, see InstaMash.

InstaMash is a consumable item found in Fallout 3.


InstaMash is packaged in a white box with blue highlights. The "insta" part of the name most likely indicates that the contents are powdered and requires added water to swell, similar to instant mashed potatoes.

It restores 5 of your Hit Points (6 if you have the food sanitizer in your inventory), but also gives you a small dose of Radiation.


An abundance of InstaMash will be found when you purchase the pre-War theme for your Megaton house or your Tenpenny Tower suite.