- 1 (9-ounces) package fresh Chinese-style noodles (or 8 ounces dried noodles)
- 2 tablespoons oyster sauce
- 1/2 tablespoon soy sauce
- 1/2 teaspoon sugar
- 2 teaspoons cornstarch
- 1/2 cup water
- 5 1/2 tablespoons vegetable oil, divided
- 1/2 pound snow peas, trimmed
- 3 scallions, finely chopped
- 2 tablespoons minced peeled ginger
- 1 pound flank steak, thinly sliced across the grain
- Cook noodles according to package directions, then drain in a colander.
- Stir together oyster sauce, soy sauce, sugar, cornstarch, and water until smooth.
- Heat 1 tablespoon oil in a 10-inch nonstick skillet over medium-high heat until hot. Add noodles to skillet, pressing them with a rubber spatula to form a cake, and cook until underside is golden, 2 to 3 minutes. Flip cake over and drizzle 1 tablespoon oil around sides of cake, then cook until underside is golden, 2 to 3 minutes. Transfer noodle cake to a cutting board and cut into quarters.
- Heat 1/2 tablespoon oil in a wok or 12-inch heavy skillet over medium-high heat until it begins to smoke. Stir-fry snow peas with a pinch of salt until bright green, 1 to 2 minutes, then transfer to a plate. Add 2 tablespoons oil to wok and stir-fry scallions and ginger with 1/4 teaspoon salt 30 seconds. Add half of beef and cook, undisturbed, 45 seconds, then stir-fry until beef is just browned, 1 to 2 minutes more. Transfer to plate with snow peas. Add remaining tablespoon oil and cook remaining beef in same manner.
- Stir sauce mixture again, then add to wok and bring to a boil. Stir in beef and snow peas, then serve spooned on top of noodle cake.