Delicious homemade Beef Lo Mein - Easy recipe with step-by-step instructions

Beef Lo Mein

Savory beef lo mein with tender sliced steak, noodles, and mixed vegetables in a glossy brown sauce—Chinese-American noodle-house dinner made in one wok-style skillet. Beef cooked to at least 145°F; noodles finished steaming hot.

⏱️
20
min prep time
🔥
18
min cook time
🍽️
4
servings
📊
Easy
difficulty

🛒Ingredients

  • 12 ounces lo mein noodles or spaghetti
  • 1 pound flank steak or sirloin, thinly sliced against the grain
  • 1 tablespoon cornstarch
  • 3 tablespoons soy sauce, divided
  • 2 tablespoons neutral oil, divided
  • 2 cups broccoli florets
  • 1 cup sliced mushrooms
  • 1 bell pepper, sliced
  • 3 cloves garlic, minced
  • 1 teaspoon grated ginger
  • 2 tablespoons oyster sauce
  • 1 tablespoon hoisin sauce
  • 1 teaspoon sugar
  • 1 teaspoon toasted sesame oil
  • 2 green onions, sliced

🔧Kitchen Tools Needed

  • Large skillet or wok
  • Pasta pot
  • Instant-read thermometer
  • Tongs

📝Instructions

  1. 1

    Cook noodles; drain. Toss beef with cornstarch and 1 tablespoon soy sauce.

  2. 2

    Heat 1 tablespoon oil over high heat. Stir-fry beef until browned and at least 145°F, 2–3 minutes; remove.

  3. 3

    Add remaining oil. Stir-fry broccoli, mushrooms, and pepper 3–4 minutes. Add garlic and ginger 30 seconds.

  4. 4

    Whisk remaining 2 tablespoons soy sauce, oyster sauce, hoisin, sugar, and sesame oil. Return beef and noodles; toss with sauce until hot and coated (165°F for the noodle mix).

  5. 5

    Top with green onions. Serve. Refrigerate within 2 hours up to 3 days; reheat to 165°F.

🥗Nutrition Information

Calories per serving: 520

🏷️Recipe Tags

beef lo meinlo meinsteak noodleschinese americanweeknightstir fry noodlesasian americantakeout copycatusa dinneroyster sauce

Frequently Asked Questions

Tough beef?

Slice thinner against the grain and do not overcook past 145–150°F for strips.

Add snow peas?

Yes—stir-fry with the other vegetables.

Sodium swap?

Use low-sodium soy and go easy on oyster sauce; taste before salting.

Food safety?

Beef strips to at least 145°F; leftovers to 165°F.

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