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Beef and Onion Stir Fry

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A speedy Chinese beef stir fry with tender flank steak, caramelized onions, and a glossy oyster-sesame sauce, perfect for busy weeknights.
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Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Servings: 3 servings
Course: Dinner, Main Course
Cuisine: Chinese
Calories: 400
Ingredients Method Nutrition Notes

Ingredients
  

Main Ingredients
  • 1 pound flank steak, thinly sliced against the grain Can substitute with skirt steak or thin-cut sirloin.
  • 2 tablespoons soy sauce Use tamari for gluten-free version.
  • 2 tablespoons cornstarch Creates a velvety coating.
  • 2 tablespoons vegetable oil Or a neutral oil with a high smoke point.
  • 1 large onion, sliced Yellow or sweet onion works well.
  • 3 cloves garlic, minced
  • 1 bell pepper, sliced any color
  • 1 teaspoon fresh ginger, minced
  • 1 tablespoon oyster sauce Use GF oyster substitute for gluten-free version.
  • 1 tablespoon rice vinegar
  • 1 tablespoon sesame oil Add at the end for flavor.
  • Salt and pepper to taste
  • Green onions, chopped (for garnish)

Method
 

Preparation
  1. Slice the steak thinly against the grain into 1/8–1/4-inch strips.
  2. In a bowl, toss the beef with 2 tablespoons soy sauce and 2 tablespoons cornstarch. Let it sit for 15 minutes.
Cooking
  1. Heat a large skillet or wok over medium-high heat. Add 1 tablespoon vegetable oil and let it get hot but not smoking.
  2. Add the marinated beef in a single layer. Stir-fry for 3–4 minutes until browned and mostly cooked through. Remove the beef and set aside.
  3. In the same skillet, add the remaining tablespoon of oil, then the sliced onion and bell pepper. Stir-fry for about 2 minutes until the vegetables start to soften but are still crisp.
  4. Add the minced garlic and ginger. Cook for 1–3 minutes until fragrant and vegetables are tender-crisp.
  5. Return the beef to the skillet. Pour in the oyster sauce, rice vinegar, and sesame oil. Toss everything together and cook for 2–3 minutes more until heated through.
  6. Taste and season with salt and pepper if needed. Garnish with chopped green onions and serve immediately.

Nutrition

Serving: 1gCalories: 400kcalCarbohydrates: 20gProtein: 30gFat: 20gSaturated Fat: 5gSodium: 800mgFiber: 2gSugar: 4g

Notes

For a lighter version, serve over mixed greens or cauliflower rice. Store leftovers properly within 3-4 days.
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