When I told friends that I’d be traveling to Japan last month, the first or, depending on the person’s love of manga, Godzilla movies or Hello Kitty, second thing mentioned was sushi. Eyes lit up with thoughts of velvety, coral-colored toro blanketing perfectly made beds of vinegared white rice. Although I love sushi, I had a different culinary mission for Japan. As soon as the plane touched down in Tokyo, I went on a hunt for soba. The name for the thin, grayish-tan noodles as well as the buckwheat flour from which they’re made, soba has long been a favorite food. It has a warm, earthy flavor, nutty aroma and firm texture that I adore. I likewise appreciate that it can be eaten hot or cold, with or without stocks or sauces and on its own or with meats, herbs and/or vegetables atop it. Plus, it’s loaded with nutrients and a decent source of vitamins B, C and E and protein. What’s not to love? Once in Japan, I didn’t have to look long or …