“Soybean flour?"
"Yes. Apparently he uses it to bind the hamburger. You know, just like in Tsugaru soba--- your hometown's pride and joy." Nagare produced a leaflet about the soft soba noodles that were a Hirosaki specialty.
Now that she knew why the hamburger steak tasted so familiar, Kana wrinkled her nose in embarrassment. Tsugaru soba was the most popular dish at the Takeda Diner---and the subject of most of the articles that were written about it.”