### Beef Chow Mein Stir-Fry Recipe

**Description:**
Enjoy a delicious homemade Beef Chow Mein Stir-Fry, featuring tender beef sirloin, colorful vegetables, and perfectly cooked chow mein noodles. This quick and flavorful dish is perfect for a weeknight dinner or a gathering with friends and family.

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**Ingredients:**

– **Noodles:**
– 8 oz (225 g) chow mein noodles

– **Beef:**
– 1 lb (450 g) beef sirloin, thinly sliced
– 2 tablespoons soy sauce
– 1 tablespoon oyster sauce
– 1 tablespoon cornstarch

– **Vegetables:**
– 2 tablespoons vegetable oil
– 1 medium onion, sliced
– 2 cloves garlic, minced
– 1 cup bell peppers, sliced (red and green for color)
– 1 cup bean sprouts
– 1 cup broccoli florets
– 2 green onions, chopped

– **Seasoning:**
– Salt and pepper to taste
– Sesame seeds for garnish (optional)

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**Instructions:**

1. **Prepare the Noodles:**
– Boil a large pot of water. Add chow mein noodles and cook according to package instructions (3-5 minutes) until al dente.
– Drain and rinse noodles under cold water to stop cooking and prevent sticking. Set aside.

2. **Marinate the Beef:**
– In a medium bowl, combine sliced beef with soy sauce, oyster sauce, and cornstarch. Mix well to coat the beef evenly.
– Let marinate for 15-20 minutes.

3. **Prepare the Vegetables:**
– Slice the onion, mince the garlic, and chop bell peppers into thin strips.
– Rinse broccoli florets and set aside. Prepare bean sprouts and chop green onions for garnish.

4. **Cook the Beef:**
– Heat 1 tablespoon of vegetable oil in a large wok or non-stick skillet over medium-high heat.
– Add marinated beef in a single layer (cook in batches if necessary) and stir-fry for 2-3 minutes until browned and cooked through. Remove beef and set aside.

5. **Stir-Fry the Vegetables:**
– In the same wok, add another tablespoon of vegetable oil.
– Add sliced onion and minced garlic, stir-frying for 30 seconds until fragrant.
– Add bell peppers and broccoli, stir-frying for 3-4 minutes until tender-crisp.
– Add bean sprouts and stir-fry for an additional minute.

6. **Combine Everything:**
– Return cooked beef to the wok with vegetables.
– Add cooked chow mein noodles and any remaining marinade from the beef, plus a splash more soy sauce if desired.
– Toss everything together gently but thoroughly, cooking for an additional 2-3 minutes to meld flavors.

7. **Final Touches:**
– Taste and season with salt and pepper as needed.
– Remove from heat and serve hot, garnished with chopped green onions and sesame seeds if desired.

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**Notes:**
– Feel free to customize the vegetables based on your preference or what you have on hand.
– For a spicier version, add some chili flakes or sliced chili peppers during the stir-frying process.

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**Prep Time:** 20 minutes
**Cook Time:** 15 minutes
**Total Time:** 35 minutes
**Yield:** 4 servings

Enjoy your homemade Beef Chow Mein Stir-Fry!