Cut the flank steak into thin strips against the grain. Place it in a bowl with the cornstarch and garlic powder then toss to coat.
1 pound flank steak, 1 tablespoon cornstarch, ½ teaspoon garlic powder
Heat 1 tablespoon of oil in a large skillet over medium heat. Once heated, add the steak and cook for 2 to 3 minutes per side or until browned. Remove the steak and set aside.
Add the remaining 1 tablespoon of oil to the skillet and reduce heat to low-medium. Add the garlic and ginger, and cook for 30 seconds.
1 tablespoon minced garlic, 1 teaspoon freshly grated ginger
Place the sliced bell pepper, mushrooms, and broccoli into the pan. Cook for 6 to 8 minutes or until the vegetables are tender.
1 red bell pepper, 8 ounces mushrooms, 1 cup broccoli florets
Add the steak back to the pan, and pour in the soy sauce. Stir to combine and cook for 3 to 4 minutes then drizzle with sesame oil. Stir once more.
2 tablespoons soy sauce, 1 tablespoon toasted sesame oil
Serve with rice, green onions, and sesame seeds.
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