Boil for 30 seconds - 1 minute … Traditionally yaki udon uses pork, either ground or pork belly, as the protein. Add the udon noodles. But it's also common to see beef, chicken, seafood, or even tofu as options for the dish. You can use whatever veggies you have on hand in yaki udon. Start by bringing a large pot of water to a boil. What makes it really special however is the chopped pickled greens, which are bursting with flavour and an incredible thing to have in your fridge for all sorts of dishes. One of the easiest and most accessible ways to cook Japanese food at home, this udon noodle stir-fry combines slices of pork belly with onions and peppers. Some popular choices would include carrots, scallions, mushrooms, and bell peppers.