In a bowl whisk together the Soy Sauce, Water, Mirin, Brown Sugar, Sugar, Garlic and Ginger Paste. Pour it into a gallon Ziplock bag containing the Sliced Pork and Onions. Combine well and place in the fridge for at least 2 hours
In a bowl whisk together the Mayo, Rice Vinegar, Wasabi, Salt and Black Pepper. Pour it over the Broccoli Slaw in a Medium sizeed bowl. Combine well, cover and place in the fridge until service
Heat a flattop type grill pan on high. Place a desired portion of the Meat and Onion mixture on the pan and stir/chop the mixture until cooked. Form the mixture into a line as long as your Sub Roll. Top with two slices of Cheese then place your Sub Roll over the top. Allow to cook for about 30 seconds to let the bun steam and the Cheese melt. Use your spatula to lift the meat and bread together.