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Beef with Bell Peppers Stir-fry

Prep Time10 minutes
Cook Time10 minutes
Total Time20 minutes
Course: Main Course
Cuisine: Asian
Keyword: Beef with bell peppers stir fry, easy beef stir fry, tender beef stir fry


  • Skillet or wok


  • 1 ½ lb top round or flank steak sliced against the grain
  • 3 tbsp cornstarch
  • 3 garlic cloves minced
  • 1 red bell pepper  sliced
  • 1 yellow bell pepper  sliced
  • 1 onion sliced
  • 2-3 tbsp oil separated


  • 2 tbsp soy sauce
  • 2 tbsp oyster sauce
  • 2 tbsp mirin substitute dry sherry, sweet marsala wine or dry white wine
  • 1 tbsp granulated sugar
  • 1 tsp black pepper
  • ½ cup water



  • In a small bowl, whisk all the sauce ingredients together. Set aside until ready for use.


  • Place the sliced beef and cornstarch in a medium sized bowl. Mix and set aside until ready to use.
  • Preheat a wok (or large skillet) to high and then add 2 tbsp of oil. Place the onions, red and yellow bell peppers in the wok and cook for 1-2 minutes. Once slightly translucent; Remove them from the wok and set aside.
  • Place the beef in the wok. Stir-fry for 3-5 minutes until almost fully cooked.
  • Turn the heat down to medium. Add the sauce to the meat and stir-fry for 1 minute.
  • Finally, add the bell peppers and onions and stir-fry in the wok for an additional 30 seconds.

Best served with rice. Enjoy!