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Beef Lo Mein | WednesdayNightCafe.com

Beef Lo Mein

Enjoy a big bowl of stir-fried noodles with tender steak and lots of vegetables, full of savory umami flavors. This American-Chinese style beef lo mein is ready in 30 minutes.
Course Dinner, Main Dish
Cuisine Asian
Total Time 30 minutes
Servings 4
Author Tara Leung


  • 1 1/4 pound sirloin or flank steak, thinly sliced
  • 5 tablespoons peanut or canola oil, divided
  • 3 teaspoons corn starch, divided
  • 1 tablespoon liquid egg white (about 1/2 large egg white)
  • 1/4 teaspoon ground white pepper
  • 12 ounces lo mein noodles
  • 2/3 cup beef broth
  • 3 tablespoons oyster sauce
  • 2 teaspoons sugar
  • 1 bunch scallions, cut into 2-inch pieces, white and green parts separated
  • 1 carrot, cut into matchsticks
  • 8 mushrooms, sliced
  • 1 cup snow peas, cut in half the long way
  • 4 cups packed chopped gai lan (Chinese broccoli) leaves or other leafy greens (about 5 ounces)


  1. Place the steak in a large bowl with 1 tablespoon oil, 2 teaspoons corn starch, egg white, and pepper. Mix thoroughly and leave to marinate for 10 minutes.
  2. Meanwhile, cook lo mein noodles according to package directions. Drain and set aside.
  3. While noodles are cooking, make the sauce. Heat beef broth in microwave in a microwave safe measuring cup. Add oyster sauce, sugar, and remaining 1 teaspoon corn starch. Mix well until sugar is dissolved. Set aside.
  4. Heat 3 tablespoons oil in a wok over medium-high heat. Add beef and cook for 4-5 minutes, stirring often, until browned. Remove beef from wok to a plate with tongs. Pour out and discard any excess marinade and oil left in the wok.
  5. Heat remaining 1 tablespoon oil in wok. Add the white parts of the scallions, carrot, and mushrooms to wok. Cook, stirring often, for 2 minutes. Add snow peas and cook 2 more minutes. Add gai lan and cook, stirring often, until wilted.
  6. Add cooked noodles, cooked beef, and green parts of scallions to the wok. Mix sauce thoroughly again and pour into wok right over the noodles. (This will help break up the noodles.)
  7. Cook 3-4 more minutes while constantly mixing to get all the ingredients and sauce mixed together.