1 Cook shelled beans in a pot of salted boiling water until tender, about 10 minutes. Do not overcook or beans will become soft and mushy.  To make the sauce, heat oil in a large saucepan over medium heat. Saute onions and garlic until golden brown.
Shinano River. The Shinano River (ä¿¡æ¿å·, Shinano-gawa) is the longest and largest river in Japan. It flows from Nagano Prefecture to Niigata Prefecture. It is called the Chikuma River (åæ²å·, Chikuma-gawa) in Nagano Prefecture. The river rises from Mount Kobushi on the border of Saitama, Yamanashi and Nagano, and flows northwest to meet the Sai River from Matsumoto.
The longest river in Japan is the Shinano River, which runs for 367 kilometers from the mountains of Nagano Prefecture to the Sea of Japan in Niigata Prefecture. The second longest river is the Tone River, which runs across the Kanto plain. The third longest is the Ishikari River in Hokkaido.