Mixing the Ingredients: #1 When Udon are all spread nicely, add Soy Sauce, Oyster Sauce, Black Pepper (and other Optional Seasonings) to Udon mixture. #2 Turn heat to medium and mix them well. #3 Add the Beef and Egg to Udon mixture and turn heat to high. #4 Stir fry quickly to ensure Udon does not stick to the pan and get the Udon mixture dry without excessive sauce.