A flavorful stir-fry featuring seared beef, bell peppers, and onions in a savory soy-based sauce. Quick to make and better than takeout.
1 lb flank or sirloin steak, thinly sliced
2 tbsp soy sauce (divided)
1 tsp rice vinegar
2 tsp cornstarch (divided)
1 red bell pepper, sliced
1 green bell pepper, sliced
1 large onion, sliced
2 garlic cloves, minced
1 tsp fresh ginger, minced
1 tbsp oyster sauce
1 tsp sugar
1/4 cup water
1 tbsp oil
1 tsp sesame oil
Combine steak, 1 tbsp soy sauce, vinegar, and 1 tsp cornstarch. Marinate for 15 minutes.
In a small bowl, mix remaining soy sauce, oyster sauce, sugar, cornstarch, and water.
Heat oil in a hot skillet or wok. Sear beef in batches for 2–3 minutes. Remove and set aside.
Sauté garlic and ginger for 30 seconds.
Add peppers and onions. Cook for 2–3 minutes.
Return beef to the pan and pour in sauce. Stir until sauce thickens.
Finish with sesame oil. Serve hot.