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Sizzling Chinese Pepper Steak with Onions – Fast, Flavorful Stir-Fry

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A bold and savory stir-fry featuring tender beef, crisp bell peppers, and onions in a rich soy-black pepper sauce. Ready in 30 minutes and packed with flavor.

Ingredients

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  • 1 lb flank or sirloin steak, thinly sliced against the grain

  • 1 red bell pepper, sliced

  • 1 green bell pepper, sliced

  • 1 medium onion, sliced into wedges

  • 2 cloves garlic, minced

  • 1 tsp fresh ginger, grated

  • 2 tbsp soy sauce (plus 1 tbsp for marinade)

  • 2 tbsp oyster sauce

  • 1 tsp cornstarch (plus 1 tsp for sauce)

  • 1 tsp sugar

  • ¼ cup water or beef broth

  • 1 tbsp vegetable oil

  • ½ tsp sesame oil

  • Freshly ground black pepper to taste

Instructions

  • Marinate beef with 1 tbsp soy sauce, 1 tsp oil, 1 tsp cornstarch, and black pepper. Let rest 15–30 minutes.

  • Mix sauce: combine 2 tbsp soy sauce, oyster sauce, water, 1 tsp cornstarch, sugar, and more black pepper.

  • Heat oil in wok or skillet. Sear beef 2–3 minutes. Remove and set aside.

  • Stir-fry garlic and ginger for 30 seconds. Add onions and bell peppers. Cook 3–4 minutes.

  • Return beef to pan. Add sauce and stir well. Cook 2–3 minutes until sauce thickens.

  • Drizzle with sesame oil and serve hot.

Notes

  • Serve with rice or noodles.

  • Add chili for heat or mushrooms for depth.

  • Store leftovers in the fridge up to 3 days.