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30-Minute Pepper Steak Stir-Fry: Your Weeknight Feature Meal

Close-up of glossy pepper steak featuring strips of beef, red and green bell peppers, and onions coated in a rich brown sauce.

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Make this savory Chinese Pepper Steak at home in just 30 minutes. You get tender beef strips, crisp peppers, and onions coated in a rich Asian sauce. It is a quick, one-pan dinner that tastes better than takeout.

Ingredients

Scale
  • 1.5 lbs flank steak, thinly sliced against the grain
  • 1 tablespoon soy sauce (for marinade)
  • 1 teaspoon cornstarch (for marinade)
  • 1 tablespoon vegetable oil (for searing)
  • 1 large green bell pepper, sliced
  • 1 large red bell pepper, sliced
  • 1 medium yellow onion, sliced
  • 2 cloves garlic, minced
  • 1 teaspoon fresh ginger, grated
  • 1/2 cup beef broth
  • 1/4 cup soy sauce (for sauce)
  • 2 tablespoons oyster sauce
  • 1 tablespoon brown sugar
  • 1 teaspoon sesame oil
  • 1 teaspoon cornstarch (for thickening)
  • Cooked white rice, for serving

Instructions

  1. Combine the sliced steak with 1 tablespoon soy sauce and 1 teaspoon cornstarch in a bowl. Let this marinate while you prepare the vegetables.
  2. In a small bowl, whisk together the beef broth, 1/4 cup soy sauce, oyster sauce, brown sugar, sesame oil, and 1 teaspoon cornstarch to create the sauce. Set aside.
  3. Heat 1 tablespoon of vegetable oil in a large skillet or wok over medium-high heat until shimmering.
  4. Add the marinated steak to the hot skillet in a single layer, working in batches if necessary to avoid crowding. Sear quickly until browned, about 1-2 minutes per side. Remove the steak from the skillet and set it aside.
  5. Add the sliced bell peppers and onion to the same skillet. Stir-fry for 3 to 4 minutes until they are crisp-tender.
  6. Add the minced garlic and grated ginger to the vegetables. Cook for 30 seconds until fragrant.
  7. Return the seared steak to the skillet with the vegetables.
  8. Give the prepared sauce mixture a quick whisk and pour it over the steak and vegetables.
  9. Bring the sauce to a simmer, stirring constantly. Cook for 1 to 2 minutes until the sauce thickens and coats everything evenly.
  10. Remove the skillet from the heat immediately. Serve your Pepper Steak hot over a bed of cooked white rice.

Notes

  • For the most tender steak strips, slice the beef when it is partially frozen.
  • If you prefer a thicker sauce, increase the cornstarch in the sauce mixture to 1.5 teaspoons.
  • This dish works well with flank steak or sirloin steak.

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