Pork & Bok Choy Udon Soup

Pork & Bok Choy Udon Soup 6 ounces dried Japanese udon noodles or fettuccine 1 small bunch bok choy, coarsely chopped 1 pork tenderloin (1 pound), cut into 1/4-inch slices 6 cups reduced-sodium chicken broth 3 tablespoons reduced-sodium soy sauce 4 teaspoons minced fresh gingerroot 3 garlic cloves, minced Optional: Thinly sliced green onions and Sriracha chili sauce Cook noodles according to package directions; drain and rinse with water. Meanwhile, in a Dutch oven, combine bok choy, pork, broth, soy sauce, ginger and garlic; bring just to a boil. Reduce heat; gently simmer, uncovered, 5-7 minutes or just until bok choy and pork are tender. Add noodles to soup. Serve immediately. If desired, sprinkle with green onions and serve with chili sauce.