Savory Beef Lo Mein with Soy Garlic Sauce is a takeout-style noodle dish you can easily make at home. Tender strips of beef, colorful stir-fried vegetables, and springy noodles are tossed in a glossy soy-garlic sauce that’s salty, slightly sweet, and full of umami.
Savory Beef Lo Mein with Soy Garlic Sauce
Print ThisIngredients
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For the Beef and Noodles:
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8 oz (225 g) of lo mein noodles or spaghetti
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1 lb (450 g) beef flank steak or sirloin, thinly sliced against the grain
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1 cup bell peppers, thinly sliced
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1 cup carrots, julienned or thinly sliced
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1 cup snap peas or small broccoli florets
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3 green onions, sliced (whites and greens separated)
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2–3 tbsp vegetable oil
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Salt and black pepper, to taste
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For the Soy Garlic Sauce:
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¼ cup low-sodium soy sauce
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2 tbsp oyster sauce (optional but recommended)
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1 tbsp brown sugar or honey
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2–3 cloves garlic, minced
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1 tsp fresh ginger, grated
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â…“ cup beef broth or water
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1 tsp toasted sesame oil
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1 tsp cornstarch
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Optional Garnish:
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Toasted sesame seeds
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Extra sliced green onions
Instructions
- Cook the Noodles
Bring a pot of water to a boil and cook noodles according to package directions until just tender. Drain, rinse lightly, and set aside. - Mix the Sauce
In a small bowl, whisk together soy sauce, oyster sauce, brown sugar (or honey), garlic, ginger, broth (or water), sesame oil, and cornstarch until smooth. Set aside. - Season the Beef
Pat the sliced beef dry and season lightly with salt and black pepper. (Optional: toss with 1 tsp soy sauce and 1 tsp cornstarch for extra tenderness.) - Stir-Fry the Beef
Heat 1–2 tbsp oil in a large skillet or wok over medium-high heat. Add beef and cook for 2–3 minutes, stirring, until browned and mostly cooked through. Remove to a plate. - Cook the Vegetables
In the same pan, add another 1 tbsp oil if needed. Add bell peppers, carrots, snap peas, or broccoli, and the white parts of the green onions. Stir-fry for 3–4 minutes until crisp-tender. - Combine Noodles, Beef & Sauce
Return the beef (and juices) to the pan. Add the cooked noodles. Give the sauce a quick stir and pour it over everything. Toss for 2–3 minutes over medium-high heat until the sauce thickens slightly and coats the noodles. Stir in the green parts of the green onions. - Serve
Remove from heat. Garnish with toasted sesame seeds and extra green onions, if desired. Serve hot.
Notes
Use a very hot pan or wok for best stir-fry texture. Swap in other veggies like cabbage, mushrooms, or baby corn if you’d like. For a spicier version, add chili flakes or a spoon of chili garlic sauce to the soy garlic sauce. Leftovers reheat well in a skillet over medium heat with a splash of water or broth.
It’s the perfect weeknight dinner: quick to cook, big on flavor, and endlessly flexible. With simple ingredients and a hot pan, you’ll have a comforting bowl of noodles on the table in no time—no delivery needed.
Perfect for busy evenings, family dinners, or meal prep, this Savory Beef Lo Mein with Soy Garlic Sauce is one of those recipes you’ll keep coming back to whenever you’re craving noodles.
Why You’ll Love This Recipe
Takeout Flavor at Home—Rich soy-garlic sauce coats every strand of noodle.
Tender Beef & Crisp Veggies – A great balance of protein, texture, and color.
Quick & Weeknight-Friendly – Fast cooking, especially if you prep ahead.
Customizable – Swap in your favorite vegetables or use what you have on hand.
Ingredients
For the Beef and Noodles:
- 8 oz (225 g) of lo mein noodles or spaghetti
- 1 lb (450 g) beef flank steak or sirloin, thinly sliced against the grain
- 1 cup bell peppers, thinly sliced (any color)
- 1 cup carrots, julienned or thinly sliced
- 1 cup snap peas or small broccoli florets
- 3 green onions, sliced (whites and greens separated)
- 2–3 tbsp vegetable oil (for stir-frying)
- Salt and black pepper, to taste
For the Soy Garlic Sauce:
- ¼ cup low-sodium soy sauce
- 2 tbsp oyster sauce (optional but recommended)
- 1 tbsp brown sugar or honey
- 2–3 cloves garlic, minced
- 1 tsp fresh ginger, grated
- â…“ cup beef broth or water
- 1 tsp toasted sesame oil
- 1 tsp cornstarch
Optional Garnish:
- Toasted sesame seeds
- Extra sliced green onions
Instructions
Cook the Noodles
Bring a large pot of water to a boil. Cook the noodles according to package directions until just tender.
Drain, rinse lightly to prevent sticking, and set aside.
Make the Soy Garlic Sauce.
In a small bowl, whisk together soy sauce, oyster sauce, brown sugar (or honey), minced garlic, ginger, beef broth (or water), sesame oil, and cornstarch until smooth. Set aside.
Prep and Season the Beef
Pat the sliced beef dry with paper towels.
Season lightly with salt and black pepper. (You can toss it with 1 tsp soy sauce and 1 tsp cornstarch for extra tenderness if you like.)
Stir-Fry the Beef
Heat 1–2 tbsp of oil in a large skillet or wok over medium-high heat.
Add the beef in a single layer (cook in batches if needed) and stir-fry for 2–3 minutes until just browned and mostly cooked through.
Remove the beef to a plate and set aside.
Cook the Vegetables
In the same pan, add another 1 tbsp of oil if needed.
Add the bell peppers, carrots, snap peas, or broccoli, and the white parts of the green onions.
Stir-fry for 3–4 minutes until crisp-tender.
Combine Everything
Return the cooked beef and any juices to the pan.
Add the cooked noodles on top.
Give the sauce a quick stir, then pour it over the noodles, beef, and veggies.
Toss with the sauce.
Using tongs, toss everything together over medium-high heat for 2–3 minutes until the sauce thickens slightly and coats the noodles.
Stir in the green parts of the green onions. Taste and adjust seasoning with extra soy sauce or pepper if needed.
Serve
Remove from heat.
Garnish with toasted sesame seeds and more green onions if desired.
Serve hot in bowls as a main dish.
Nutritional Information
(Approximate per serving, 1 of 4)
- Calories: ~480
- Protein: 27 g
- Fat: 18 g
- Carbohydrates: 53 g
- Sugar: 9 g
- Fiber: 4G
Tips for Success
High Heat is Key—Use a hot pan or wok to get a fast stir-fry and avoid soggy veggies.
Prep Everything First—Stir-frying goes quickly, so have all ingredients sliced and sauces mixed before you start cooking.
Don’t Overcook the Noodles—Slightly undercooked noodles finish in the pan and keep a good bite.
Adjust the Sauce—Add a splash of broth/water if it gets too thick, or a bit more soy sauce for extra saltiness.
Why This Recipe Works
Thinly sliced beef cooks quickly and stays tender, while a mix of vegetables adds crunch and color. The soy garlic sauce brings together salty, sweet, and savory notes with a hint of sesame, creating that classic lo mein flavor. Tossing everything in one pan lets the noodles soak up the sauce, so every bite is coated and satisfying.
Savory Beef Lo Mein with Soy Garlic Sauce is a simple, flexible way to turn pantry staples and a few fresh ingredients into a restaurant-style noodle dish at home—perfect for busy weeknights, leftovers, or anytime a takeout craving hits.
