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Easy 30-Minute Chinese Pepper Steak Stir Fry

Close-up of juicy pepper steak stir-fry with colorful bell peppers and onions, served next to a mound of white rice.

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Welcome to My Kitchen! This easy pepper steak recipe delivers tender beef, colorful peppers, and onions in a savory, quick stir-fry sauce. It is a perfect weeknight dinner idea that tastes like takeout but is ready in 30 minutes.

Ingredients

Scale
  • 1.5 lbs sirloin or ribeye steak, thinly sliced
  • 1 tablespoon soy sauce (for marinating)
  • 1 teaspoon cornstarch (for marinating)
  • 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 tablespoon cornstarch (for thickening)
  • 2 tablespoons cold water (for slurry)
  • Cooked white rice, for serving

Instructions

  1. In a medium bowl, toss the thinly sliced steak with 1 tablespoon of soy sauce and 1 teaspoon of cornstarch. Let this sit while you prepare the vegetables. This step helps create tender beef steak.
  2. In a small bowl, whisk together the beef broth, 1/4 cup soy sauce, oyster sauce, brown sugar, and 1 teaspoon sesame oil. Set the savory steak sauce aside.
  3. In a separate small bowl, mix 1 tablespoon of cornstarch with 2 tablespoons of cold water to create a slurry. Set aside.
  4. Heat 1 tablespoon of vegetable oil in a large skillet or wok over medium-high heat until shimmering. Add the marinated steak in a single layer (work in batches if necessary to avoid crowding). Sear quickly for 1-2 minutes per side until browned. Remove the steak from the skillet and set aside.
  5. Add a little more oil to the skillet if needed. Add the sliced bell peppers and onion. Stir fry for 3-4 minutes until the vegetables are crisp-tender.
  6. Add the minced garlic and grated ginger to the skillet. Cook for 30 seconds until fragrant.
  7. Return the seared steak to the skillet with the vegetables. Pour the reserved sauce mixture over the steak and vegetables. Bring the sauce to a simmer.
  8. Stir the cornstarch slurry one last time and pour it into the simmering sauce. Stir constantly until the sauce thickens, about 1 minute.
  9. Remove from heat immediately. Serve your quick beef stir fry hot over fluffy white rice for a complete family favorite dinner.

Notes

  • For the most tender beef steak, slice the steak against the grain after partially freezing it for 30 minutes.
  • If you prefer a slow cooker pepper steak, combine all ingredients except the cornstarch slurry and cook on low for 6-8 hours. Thicken the sauce at the end with the slurry before serving.
  • Use a mix of colorful bell peppers for visual appeal in this simple steak and vegetables dish.

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