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30-Minute Beef Stir Fry

A quick and flavorful stir fry featuring tender beef sirloin and a mix of colorful vegetables, perfect for busy weeknight dinners.
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Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 4 servings
Course: Dinner, Main Course
Cuisine: Asian, Chinese
Calories: 400
Ingredients Method Notes

Ingredients
  

Marinade
  • 1 pound beef sirloin, thinly sliced
  • 1 tablespoon cornstarch
  • 2 tablespoons soy sauce
  • 1 teaspoon pepper to taste
Stir Fry
  • 2 cups mixed vegetables (bell peppers, broccoli, snap peas)
  • 1 tablespoon oyster sauce
  • 2 tablespoons vegetable oil divided
  • 2 cloves garlic, minced
  • 1 teaspoon ginger, minced
Seasoning
  • Salt to taste

Method
 

Preparation
  1. In a bowl, combine the sliced beef with cornstarch, soy sauce, and a pinch of pepper. Allow it to marinate for about 10 minutes.
Cooking
  1. While the beef is marinating, heat 1 tablespoon of vegetable oil in a large pan over medium-high heat.
  2. Add the beef in a single layer and cook until browned, about 4-5 minutes. Remove the beef and set aside.
  3. In the same pan, add another tablespoon of oil, followed by minced garlic and ginger. Stir for about 30 seconds until fragrant.
  4. Add the mixed vegetables and stir-fry for approximately 3-4 minutes until tender-crisp.
  5. Return the cooked beef to the pan along with the oyster sauce. Stir everything together for an additional minute until well coated and heated through.
Serving
  1. Serve your stir fry hot over rice or noodles, and enjoy!

Notes

Best enjoyed fresh, but leftovers can be stored in an airtight container in the refrigerator for up to 3 days.