How to Make It
Combine noodles and boiling water in a bowl; let stand 5 minutes or until soft. Drain; set aside.
Remove tops from green onions; chop to measure 1 tablespoon. Set aside. Mince white part of green onions to measure 3 tablespoons; set aside.
Combine pork and 1 tablespoon soy sauce in a bowl; stir well. Cook pork mixture in a large nonstick skillet or wok over medium-high heat until browned, stirring to crumble. Drain in a colander. Wipe skillet clean with a paper towel.
Heat vegetable oil in skillet over high heat. Add 3 tablespoons minced green onions, ginger, chile paste, and garlic, and stir-fry 1 minute. Add leek, carrot, and 2 tablespoons mirin; stir-fry 2 minutes. Add 3 1/2 tablespoons soy sauce, 1 1/2 tablespoons mirin, chicken broth, sugar, and sesame oil; bring to a boil. Return pork to skillet. Add noodles; cook 4 minutes or until liquid is absorbed. Spoon noodle mixture onto serving platter; sprinkle with 1 tablespoon chopped green onion tops.