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Easy Pepper Steak Stir-Fry Recipe – Quick & Flavorful Weeknight Dinner

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Pepper Steak Stir-Fry is a quick, flavorful stir-fry featuring tender flank steak, crisp bell peppers, and a savory-sweet sauce. Ready in under 20 minutes, it’s perfect for a fast weeknight dinner with restaurant-quality taste.

  • Total Time: 15 minutes
  • Yield: 4 servings

Ingredients

Scale
  • 8 oz (225g) flank steak, thinly sliced against the grain
  • 2 tablespoons olive oil, divided
  • 1 red bell pepper, cut into 1-inch cubes
  • 1 green bell pepper, cut into 1-inch cubes
  • 3 garlic cloves, minced
  • 1/4 cup brown sugar
  • 1/2 cup low-sodium soy sauce
  • 2 teaspoons sesame oil
  • 1 teaspoon ground ginger
  • 1 tablespoon Sriracha (or favorite hot sauce)
  • 1 tablespoon cornstarch

Instructions

  1. In a small bowl, whisk together garlic, brown sugar, soy sauce, sesame oil, ginger, Sriracha, and cornstarch to make the sauce.
  2. Heat 1 tablespoon olive oil in a skillet over medium-high heat. Add the bell peppers and cook 1–2 minutes until slightly tender. Remove and set aside.
  3. Increase heat to high and add the flank steak in a single layer. Sear each side until browned and cooked through.
  4. Add the bell peppers back to the skillet along with the prepared sauce. Simmer 1–2 minutes until the sauce thickens.
  5. Sprinkle with chopped cilantro and sesame seeds, then serve over rice, rice noodles, or cauliflower rice.

Notes

  • For a milder dish, reduce or omit the Sriracha.
  • Ensure flank steak is sliced against the grain for maximum tenderness.
  • Customize vegetables with snap peas, broccoli, or mushrooms.
  • Author: lily
  • Prep Time: 5 minutes
  • Cook Time: 10 minutes
  • Category: Dinner
  • Method: Stir-Fry
  • Cuisine: Asian-Inspired