Get ready to satisfy your takeout cravings with this delicious Beef Lo Mein recipe! Tender flank steak, marinated to perfection, is combined with lo mein noodles, colorful veggies, and a savory-sweet sauce for a quick and easy weeknight dinner that’s bursting with flavor.

A hand holding tongs and picking up beef lo mein out of the skillet.

Before you get started / Kelley’s tips

  • Slice the steak against the grain. This helps keep the meat tender and easy to chew.
  • Don’t skip the baking soda in the marinade. It tenderizes the beef for that melt-in-your-mouth texture you love in lo mein.
  • Slightly undercook the noodles. Cooking them a minute or two less than the package suggests keeps them from getting mushy when tossed with the sauce. I also like to drizzle a little bit of oil on the noodles after they are cooked so they don’t stick together.
  • Use high heat when cooking the vegetables. This gives them a nice char and enhances their flavor while keeping them crisp-tender.

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    Ingredients Needed

    • Flank Steak: Thinly sliced against the grain, flank steak becomes tender and flavorful when marinated.
    • Soy Sauce: Adds a rich umami flavor that ties the dish together.
    • Baking Soda: A secret ingredient in the marinade that tenderizes the beef, making it melt-in-your-mouth delicious.
    • Cornstarch: Helps create a light coating on the steak, ensuring it cooks up tender and slightly crispy.
    • Lo Mein Noodles: The star of the dish! These chewy noodles soak up all the savory sauce and bring the dish together.
    • Hoisin Sauce: This thick, sweet, and salty sauce gives the dish a depth of flavor and a touch of sweetness.
    • Sesame Oil: Just a small amount adds a nutty, toasty aroma that enhances the overall flavor.
    • Brown Sugar: Balances the savory elements in the sauce with just the right amount of sweetness.
    • Rice Wine Vinegar: Adds a hint of acidity to brighten the sauce.
    • Vegetable Oil: For cooking with beef and vegetables without overpowering their flavors.
    • Mixed Vegetables: A vibrant mix of red onion, bell pepper, and carrots adds crunch, color, and nutrients.
    • Garlic: Freshly minced garlic infuses the dish with bold, aromatic flavor.
    • Ginger: A little goes a long way! Fresh ginger adds a warm, spicy kick.
    • Sesame Seeds: Optional but highly recommended for garnish, they add a subtle crunch and visual appeal.

    How To Make Beef Lo Mein

    • Cook the Noodles: According to the package instructions. I like to do a minute or two earlier so they don’t get mushy. Drain the noodles, rinse them in cold water, and set aside.
    Lo mein noodles in a boiling pot of water on a burner.
    1. Make the sauce: In a small bowl, combine soy sauce, hoisin sauce, sesame oil, brown sugar, and rice wine vinegar; set aside.
    Sauce ingredients in a glass bowl with a whisk.
    1. Heat 1 tbsp of oil in a large skillet or wok. Add steak and cook until browned and cooked through, 4-5 minutes. Transfer to a plate and set aside.
    Cooked fank steak slices in a large skillet.
    1. Add the remaining tbsp of oil to the same skillet, and then add the mixed vegetables. Sauté for 3-4 minutes or until they start to get some color on them. Add in the garlic and ginger and cook for an additional minute.
    Vegetables cooked in a large skillet.
    1. Add the sauce to the pan along with the cooked steak and noodles.
    Rice noodles added to the skillet with steak and vegetables.
    Steak, vegetables, and noodles tossed in a skillet.
    1. Toss everything together and serve immediately with sesame seeds and green onions for garnish, if desired.
    A large skillet with beef lo mein topped with green onions and sesame seeds.

    Serving Suggestions

    Frequently Asked Questions

    Can I use a different cut of beef?

    Yes! Flank steak works best for its tenderness, but skirt steak, sirloin, or even pre-sliced stir-fry beef are great alternatives.

    Can I substitute lo mein noodles?

    If you can’t find lo mein noodles, use spaghetti, linguine, or yakisoba noodles as a substitute. Just be sure to cook them al dente.

    What other vegetables can I use?

    Feel free to customize! Snow peas, baby corn, zucchini, cabbage, or bean sprouts are all great additions.

    A plate with a serving of beef lo mein topped with sesame seeds and green onions.

    More Easy Noodle Recipes To Try

    Recipe

    Beef Lo Mein

    Get ready to satisfy your takeout cravings with this delicious Beef Lo Mein recipe! Tender flank steak, marinated to perfection, is combined with chewy lo mein noodles, colorful veggies, and a savory-sweet sauce for a quick and easy weeknight dinner that’s bursting with flavor.
    Author: Kelley Simmons
    Prep Time: 15 minutes
    Cook Time: 20 minutes
    Total Time: 35 minutes
    Serves 4 servings
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      Ingredients 

      Marinade

      Lo Mein

      • 8 ounces lo mein noodles
      • 3 tbsp low sodium soy sauce
      • 2 tbsp hoisin sauce
      • 1 tsp sesame oil
      • 1 tbsp light brown sugar
      • 1 tbsp rice wine vinegar
      • 2 tbsp oil, divided
      • 1 lb boneless chicken thighs, cut into bite size pieces
      • 2 cups mixed vegetables, red onion, bell pepper and carrots
      • 3 cloves garlic, minced
      • 1 tsp ginger, minced
      • sesame seeds for garnish, if desired
      • green onions for garnish, if desired

      Instructions

      • Cook the noodles: According to package instructions. I like to do a minute or two earlier so they don't get mushy. Drain the noodles then rinse in cold water and set aside.
      • Make the sauce: In a small bowl combine soy sauce, hoisin sauce, sesame oil, brown sugar and rice wine vinegar, set aside.
      • Heat 1 tbsp of oil in a large skillet or wok. Add steak and cook until browned and cooked through, 4-5 minutes. Transfer to a plate and set aside.
      • Add the remaining tbsp of oil to the same skillet then add in the mixed vegetables. Sauté for 3-4 minutes or until they start to get some color on them.
        Add in the garlic and ginger and cook for an additional minute.
      • Add the sauce to the pan along with the cooked steak and noodles.
      • Toss everything together and serve immediately with sesame seeds and green onions for garnish, if desired.

      Nutrition Information

      Calories: 248kcalCarbohydrates: 50gProtein: 7gFat: 2gSaturated Fat: 0.2gPolyunsaturated Fat: 1gMonounsaturated Fat: 0.5gCholesterol: 0.2mgSodium: 1260mgPotassium: 76mgFiber: 1gSugar: 5gVitamin A: 1IUVitamin C: 1mgCalcium: 14mgIron: 0.4mg

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