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["Slice beef into thin, 2"" long strips.", "Combine soy sauce, cornstarch, vegetable oil and brown sugar and pour over beef.", "Cover tightly with plastic wrap and marinate an hour at room temperature or several hours to overnight in the refrigerator.", "Rinse the leeks thoroughly to remove all the sand and grit.", "Cut them into 2"" lengths (white and about 2"" of green), and slice about 1/4"" wide.", "Cook the noodles, only 3-5 minutes (longer for dried spaghetti) , until cooked but still firm.", "Drain in a colander and rinse with cold water until thoroughly chilled.", "In a lint-free clth, roll and pat the noodles dry.", "Put them in a plastic bad and toss with sesame oil and salt, and refrigerate until ready to use.", "In a wok or large skillet, stir-fry the beef in 2 T of oil.", "Heat a heavy, 12- or 13-inch skillet over high heat.", "Add 5 T of oil and swirl around until bottom and sides of skillet are coated.", "When the oil is very hot, coil the noodles evenly over the bottom of the pan, press down with a spatula, and cover the pan.", "Cook for 5-7 minutes until the bottom is nicely browned.", "Turn the noodles over like a pancake, press down, cover and cook another 5-7 minutes.", "(You may need to add another T of oil.", ").", "While the second side of the noodles brown, whisk together the rice wine, 2 t of brown sugar, soy sauce, hoisin sauce and sesame oil.", "Heat a wok over high heat.", "Add the remaining 2 T of oil and wait until the oil is fully hot.", "Add leeks to the wok and stir-fry for about 30 seconds.", "Lower heat to medium, sprinkle in the salt and remaining sugar, cook 40 seconds.", "Add the meat to the pan, toss briskly to combine the beef and leeks.", "Add the liquids and stir to combine.", "Raise the heat to high for 5-10 seconds to bring the liquids to a boil, stirring all the time.", "Turn off the heat and over the wok.", "Turn the browned noodle onto a large plate, top the noodles with the beef and leeks."]
