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Pepper Steak with Bell Peppers and Onion – Classic Chinese-American Stir-Fry

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Tender strips of beef stir-fried with bell peppers and onions in a rich, garlicky soy sauce. A fast, flavorful weeknight meal that tastes just like takeout.

Ingredients

Scale
  • 1 lb flank steak, sliced thin against the grain

  • 2 tbsp soy sauce (for marinade)

  • 1 tsp sesame oil (optional)

  • 1 tsp cornstarch

  • 1 red bell pepper, sliced

  • 1 green bell pepper, sliced

  • 1 medium onion, sliced

  • 2 cloves garlic, minced

  • 1 tsp fresh ginger, minced

  • 2 tbsp soy sauce (for sauce)

  • 1 tbsp oyster sauce

  • 1 tsp sugar

  • ¼ cup beef broth or water

  • 1 tsp cornstarch

  • 2 tbsp vegetable oil

Instructions

  • In a bowl, marinate beef with soy sauce, sesame oil, and cornstarch for 10–15 minutes.

  • In another bowl, whisk together sauce ingredients and set aside.

  • Heat 1 tbsp oil in a wok or skillet. Stir-fry beef until browned. Remove from pan.

  • Add remaining oil and stir-fry garlic, ginger, onions, and bell peppers for 2–3 minutes.

  • Return beef to the pan and pour in sauce. Stir until thickened and glossy, about 2 minutes.

  • Serve hot over rice or noodles.

Notes

  • Slice beef thinly and evenly for fast cooking.

  • Adjust sauce sweetness or saltiness to taste.

  • Add extra veggies like mushrooms or snow peas for variety.