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Cereals and bread from Philippines
Rice is soaked, ground wet and left to ferment in old earthen jars with a little sugar, then steamed in small cups into bite-size white cakes. Local accounts say only rice, water and sugar go in, and one credits the seasoned jars for the fermentation. No study has measured the process.
A short entry: the sources we found record only what is said here about Puto Calasiao itself.
| Rice | Accounts differ between long-grain and semi-glutinous rice[wikivoyage] |
| Water | [meryenda2022] |
| Sugarjust enough to taste | [wikivoyage][meryenda2022] |
| Starter | spontaneous in one account, which says no leavening agent is needed because of clay jars (banga) seasoned for at least a year; another account lists yeast |
Total time across the recorded steps: 3 days
What changes: Soaked rice is ground wet into a batter
For puto in general, the rice is soaked overnight and ground wet, formerly with stone grinders. Output: wet rice batter (galapong).
Microbes at work in this step
Not documented for this step.
Measured measured in a studySet fixed by a specification or tested recipeReported one source reports itTypical a general value, not sourced for this fermentUnconfirmed not yet checked against a source
Rice is soaked, ground wet and left to ferment in old earthen jars with a little sugar, then steamed in small cups into bite-size white cakes. Local accounts say only rice, water and sugar go in, and one credits the seasoned jars for the fermentation. No study has measured the process. Made in 3 steps over 3 days. The longest step, ferment in old earthen jars, takes at least 3 days (Wikivoyage).
| Main step | at least 3 daysReported[wikivoyage][ourpangasinan2023] | Ferment in old earthen jars |
|---|
Puto Calasiao is made bite-size and fermented in old clay jars, with no added yeast in one local account (another lists yeast). The household puto described in the main study of puto is soured, neutralised with lye and raised a second time.
Every number is labelled with how it is known. How this atlas is made
Calasiao puto has been sold on the town's sidewalks for more than 50 years. A national One Town, One Product grant had paid for 28 uniform puto stands by 2007, and the town holds a Puto Festival every December.
