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Fill a pot with water, add kombu, and slowly bring to a boil over low heat.

A Japanese-style handmade soba recipe made by kneading buckwheat flour and wheat flour.
Fill a pot with water, add kombu, and slowly bring to a boil over low heat.
Once the water boils, remove the kombu.
Add katsuobushi, let it sit for a moment, then strain quickly while removing impurities.
Mix the prepared dashi with gaeshi to complete the tsuyu.
In a bowl, mix the wheat flour, buckwheat flour, and salt, then pour onto a work surface.
Pour in boiling water and mix quickly.
Mix well by rubbing with your hands and knead with force.
Shape the dough into a ball, wrap it in plastic, and let it rest.
Roll the dough out long with a rolling pin and slice thinly to finish the noodles.
Boil the noodles in boiling water, then rinse in cold water and drain.