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Stir-Fried Lo Mein with Beef and Broccoli

Elina James
Skip takeout and make your own Stir-Fried Lo Mein with Beef and Broccoli at home! Tender beef, crisp broccoli, and soft lo mein noodles are tossed in a savory, flavorful sauce for a quick and satisfying meal.
Prep Time 15 minutes
Cook Time 12 minutes
Total Time 27 minutes
Course Dinner
Cuisine American
Servings 4 servings
Calories 300 kcal

Ingredients
  

  • For the Beef and Marinade:
  • 1 lb (450 g) flank steak or sirloin, thinly sliced against the grain
  • 2 tbsp low-sodium soy sauce
  • 1 tsp cornstarch
  • 1 tsp sesame oil
  • For the Sauce:
  • 1/4 cup low-sodium soy sauce
  • 2 tbsp oyster sauce
  • 1 tbsp hoisin sauce
  • 1 tbsp dark soy sauce (optional for deeper color)
  • 2 tsp sugar or honey
  • 1 tsp rice vinegar
  • 1 tsp sesame oil
  • 1/4 cup low-sodium chicken broth or water
  • For the Stir-Fry:
  • 8 oz (225 g) lo mein noodles (fresh or dried)
  • 2 cups broccoli florets
  • 1 red bell pepper, thinly sliced (optional)
  • 3 cloves garlic, minced
  • 1 tbsp fresh ginger, grated
  • 2–3 tbsp vegetable oil (divided)
  • 3 green onions, sliced (plus extra for garnish)
  • Sesame seeds (for garnish, optional)

Instructions
 

  • Marinate the Beef : In a bowl, combine sliced beef with soy sauce, cornstarch, and sesame oil. Mix well and set aside for 10 minutes.
  • Prepare the Sauce : In a small bowl, whisk together all sauce ingredients until smooth. Set aside.
  • Cook the Noodles : Boil lo mein noodles according to package instructions until just tender. Drain, rinse under cold water, and toss with a tiny bit of oil to prevent sticking.
  • Stir-Fry the Vegetables : Heat 1 tbsp vegetable oil in a large wok or skillet over medium-high heat. Add broccoli and bell pepper; stir-fry for 2–3 minutes. Add 1–2 tbsp water to help steam-cook broccoli until crisp-tender. Remove vegetables and set aside.
  • Cook the Beef : Add another tbsp of oil to the pan. Stir-fry beef in a single layer for 2–3 minutes until browned but not fully cooked through. Remove from pan.
  • Combine Everything : Add garlic and ginger to the pan, stir for 20 seconds until fragrant. Add cooked noodles, sauce, vegetables, and beef back into the pan. Toss well until heated through and beef is fully cooked (about 2 more minutes).
  • Serve : Garnish with green onions and sesame seeds if desired. Serve hot.
Keyword Stir-Fried Lo Mein with Beef and Broccoli