Season the Chicken - In a medium bowl, combine sliced chicken, salt, pepper, and ½ teaspoon sesame oil.
Stir Fry Sauce - In a small bowl, whisk together 1 teaspoon sesame oil, oyster sauce, soy sauce, chicken broth, and cornstarch.
Cook the Aromatics - Heat a wok or large nonstick skillet over medium-high heat, then add the vegetable oil. Once the oil is hot, add in garlic and ginger and stir-fry for 20 seconds.
Cook the Chicken - Add the chicken in one layer, and allow it to cook for 1 minute without moving. Stir and cook for 30 seconds. Add in the bok choy and carrots and cook for 1 minute.
Cook the Noodles - Loosen the noodles and then add them to the pan and stir-fry for 1 minute.
Add the Sauce - Add the stir fry sauce mixture and cook until thickened, about 1 minute.
Add the Sprouts - Add the beans sprouts and green onions, and cook for 1 minute.
To Serve - Immediately serve while still hot.
Notes
Fresh Noodle Options: Ramen, chow mein, or yaki-soba can be substituted for lo mein. These are sold in the refrigerated section at markets.
Using Dried Noodles: Use 6 ounces of dried noodles of lo mein, chow mein, pancit, yaki-soba, Chuka-soba, or thick spaghetti noodles. Cook to the manufacturer's directions and drain well before adding it to the pan.
Using Chicken Thighs: Trim off the excess fat, and cut into 1-inch chunks.
For Saucier Noodles: Double the sauce ingredients.