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 Tone River is the second longest Japanese river, with a length of about 322 kilometers (200 miles). It is located in the Kanto region, and it starts out at Mount Ominakami. From there, it picks up water from tributaries, and eventually drains into the Pacific Ocean at Choshi City.