This is a good spot to explore Yamagata's most famous product, craft sake, with over 100 varieties available. The food menu focuses on Yamagata beef and other regional dishes, but it's generally not as interesting as the sake. Budget around Y2000-3000 for food in the evening, Y1000 at lunchtime. A special lunch menu is available on weekends.
This book will introduce you to more than twenty of Japan's favorite specialty foods that are less well known abroad, along with a guide to the best places in Tokyo to try them and expert tips on what to order. From Bento.com.