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Sizzling Pepper Steak with Onions: A Flavorful Stir-Fry You’ll Love


  • Author: Naomi
  • Total Time: 22 min

Description

Tender strips of steak sizzle with crisp bell peppers and sweet onions in a savory, garlicky sauce. Ready in just 20-25 minutes, this colorful stir-fry is perfect over steamed rice or noodles for a fast, restaurant-style meal at home.


Ingredients

  • 1 lb (450 g) flank or skirt steak, thinly sliced against the grain

  • 2 tbsp soy sauce (low-sodium)

  • 1 tsp cornstarch

  • 2 tbsp vegetable oil, divided

  • 1 medium yellow onion, thinly sliced

  • 1 red bell pepper, thinly sliced

  • 1 green bell pepper, thinly sliced

  • 3 garlic cloves, minced

  • 1 tsp fresh ginger, minced (or ½ tsp ground ginger)

For the Sauce

  • ¼ cup beef broth (or water)

  • 2 tbsp soy sauce

  • 1 tbsp rice vinegar

  • 1 tbsp oyster sauce (or hoisin)

  • 1 tsp brown sugar

  • ½ tsp sesame oil

  • Pinch of red pepper flakes (optional)

To Serve

  • Steamed rice or noodles

  • Sliced green onions

  • Toasted sesame seeds


Instructions

1️⃣ Marinate the steak:
In a bowl, toss the sliced steak with 2 tbsp soy sauce and 1 tsp cornstarch. Let sit 10 minutes.

2️⃣ Mix the sauce:
Whisk together the beef broth, 2 tbsp soy, rice vinegar, oyster sauce, brown sugar, sesame oil, and red pepper flakes (if using). Set aside.

3️⃣ Sear the steak:
Heat 1 tbsp oil in a large skillet or wok over high heat. Add half the steak in a single layer; sear 1 minute per side until browned but still pink inside. Transfer to a plate and repeat with remaining steak.

4️⃣ Stir-fry the veggies:
Add the remaining 1 tbsp oil to the pan. Stir in onion and peppers; cook 2–3 minutes until just tender. Add garlic and ginger; cook 30 seconds until fragrant.

5️⃣ Combine & finish:
Return steak to the pan. Pour in the sauce and toss everything together. Cook 1–2 minutes, stirring, until the sauce thickens and coats the steak and vegetables.

6️⃣ Serve:
Spoon over bowls of steamed rice or noodles. Garnish with sliced green onions and sesame seeds.

Notes

  • Protein Swap: Try thinly sliced chicken, pork, or shrimp.

  • Veggie Add-Ins: Snow peas, mushrooms, or julienned carrots make great additions.

  • Spice It Up: Stir in chili-garlic sauce or extra red pepper flakes.

  • Gluten-Free: Use tamari in place of soy sauce and a GF oyster sauce.

Enjoy this quick, vibrant stir-fry that’s sure to become a weeknight favorite!

  • Prep Time: 10 min
  • Cook Time: 12 min