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Pepper Steak with Bell Peppers and Onion – A Savory Weeknight Classic

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Savory stir-fried beef tossed with bell peppers, onions, and a rich soy-based sauce. Perfect for weeknights or meal prep.

Ingredients

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  • 1 lb flank or sirloin steak, thinly sliced

  • 2 tbsp soy sauce (divided)

  • 1 tbsp oyster sauce

  • 1 tsp cornstarch (for marinade)

  • 1 tsp cornstarch (for sauce)

  • 1/2 tsp sugar

  • 1/4 cup water

  • 2 tbsp vegetable oil

  • 1 red bell pepper, sliced

  • 1 green bell pepper, sliced

  • 1 yellow onion, sliced

  • 2 garlic cloves, minced

  • 1 tsp grated ginger

  • 1 tsp sesame oil

  • Cracked black pepper, to taste

Instructions

  • Marinate beef with 1 tbsp soy sauce, 1 tsp cornstarch, and a drizzle of sesame oil. Let sit 15–20 minutes.

  • Mix sauce ingredients: 1 tbsp soy sauce, 1 tbsp oyster sauce, 1/2 tsp sugar, 1 tsp cornstarch, 1/4 cup water. Set aside.

  • Heat 1 tbsp oil in skillet. Sear beef in batches until browned. Remove and set aside.

  • Add more oil, sauté garlic and ginger 30 seconds.

  • Add onion, stir-fry 1–2 minutes. Add bell peppers and stir-fry 2–3 more minutes.

  • Return beef to pan. Pour in sauce. Stir and cook 1–2 minutes until sauce thickens.

  • Finish with sesame oil and cracked black pepper. Serve hot.

Notes

Use a mix of pepper colors for visual appeal. For extra heat, add chili flakes or hot sauce. Keeps well for 4 days in the fridge.