Spinach and Soba Noodle Soup

This soba noodle soup comes together in a snap, but it’s deeply flavorful, so it’s just the thing for a cold weeknight. Lately, I’ve been adding wakame flakes to it for a sea vegetable health boost. They come dehydrated in the Asian aisle of most higher end grocery stores. Beware, when the package says, “one teaspoon equals one serving… will expand over 20 times,” they really meant it. The first time I tried these I was sure that was a misprint and I tossed in a heaping handful or two and had cups upon cups of rehydrated sea greens. If…