Why does idli batter take a longer time to ferment during winter?

Fermentation depends on the temperature of the surrounding environment. Hence, during summers, as the weather is hot, the idli or dosa batters get fermented within 7 to 8 hours.

However, during winters, as the temperature is moderate or cool, fermentation of batter takes a longer time than required. Sometimes keeping overnight is also not just sufficient.

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Updated on: 10-Oct-2022

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