Boil noodles according to directions. Meanwhile, whisk together peanut butter, sesame oil, vinegar, sugar and pepper flakes in a small saucepan. Warm the sauce mixture in its saucepan over medium-low heat. Place cabbage in colander over sink. When noodles are done cooking, drain over the cabbage to wilt it. Transfer noodles and cabbage to a serving bowl, add sauce, and toss until combined. Sprinkle with cilantro and serve. 4-6 servings.
