Food & Cooking Recipes Soups, Stews & Stocks Soup Recipes Asian Noodle Soup with Winter Vegetables and Tofu 2.8 (15) Add your rating & review By Martha Stewart Test Kitchen Martha Stewart Test Kitchen The recipes developed by our test kitchen team have undergone a rigorous process of development and testing, ensuring that every element is optimal, from ingredient amounts to method and cooking time. This process includes triple-testing recipes to ensure they meet our high standards. The many stellar cooks and food editors who have been part of our team include Sarah Carey, Lucinda Scala Quinn, Jennifer Aaronson, Shira Bocar, Anna Kovel, Greg Lofts, Riley Wofford, Lauren Tyrell, and Lindsay Leopold. Editorial Guidelines Updated on May 16, 2017 Print Rate It Share Share Tweet Pin Email Servings: 4 Kombu (a type of Japanese seaweed) and bonito flakes (dried-fish flakes) are available at Asian markets. Ingredients 6 cups water 4 ounces fresh shiitake mushrooms, stems trimmed and reserved, caps cut into ¾-inch slices ½ ounce dried shiitake mushrooms (5 large) 1 six-inch square dried kombu ¾ cup bonito flakes (¼ ounce) ¼ cup plus 1 teaspoon reduced-sodium soy sauce 2 tablespoons mirin ½ large sweet potato (about 4 ounces), peeled, halved lengthwise, and cut crosswise into ¼-inch-thick slices 6 ounces soba noodles (2 bundles) 3 ounces snow peas, trimmed and halved 3 ounces kohlrabi, peeled and cut into ¼-inch-thick sticks 8 ounces silken tofu, cut into 8 slices Directions Bring 6 cups water, mushroom stems, dried mushrooms, and kombu to a boil in a large pot over medium-high heat. Remove from heat, and add bonito flakes. Let stand until flakes sink to bottom of pot, about 3 minutes. Line a sieve with cheesecloth. Strain broth through sieve into pot, and discard solids. Stir in soy sauce and mirin. (You should have 5 cups.) Cook sweet potato in a large pot of boiling water until crisp-tender, about 2 minutes. Transfer to a bowl using a slotted spoon. Add noodles to boiling water. Cook according to package directions. Drain. Rinse with cold water. Divide noodles among 4 bowls. Arrange sweet potato, sliced mushroom caps, snow peas, kohlrabi, and tofu on top of noodles. Bring broth to a simmer, then immediately divide among bowls. Serve immediately. Rate it Print