TO COOK: Drop the Konnyaku into the pan of pork broth and bring to boil over low heat. Add carrot and Daikon strips and raise heat. Bring to full boil , add Sweet potato and mushroom strips. Skim off foam. Cook for 5 more minutes and, with the back of a spoon, rub in the miso in through a strainer. Stir in MSG. Stir in the Gobo (if used). TO SERVE: Transfer soup to a large serving bowl, sprinkle onions over the top, and add spice.