Many Japanese used to make miso in their own homes. This was called "Temae-miso". In the Muromachi era, it was used as a food preservative and as a seasoning. Miso was an important source of nutrients for soldiers. In the Edo era, industrial mass production method of miso began. "Temae-miso" became less common. "Temae-miso" nowadays also used when a person is proud of something.