01 -
Cook rice according to package instructions.
02 -
Slice bell peppers and flank steak against the grain into 1/4-inch slices. Mince garlic and ginger. Whisk together minced garlic, ginger, brown sugar, soy sauce, sesame oil, rice vinegar, and cornstarch in a small bowl to create stir fry sauce.
03 -
Heat 1 tablespoon of vegetable oil over medium-high heat in a large skillet or wok. Add bell peppers and 1/4 teaspoon of salt to the skillet. Cook for 4-5 minutes, then transfer peppers to a plate.
04 -
Heat the remaining 1 tablespoon of vegetable oil over medium-high heat in the same skillet. Add flank steak along with the remaining 1/2 teaspoon of salt and 1/4 teaspoon of black pepper. Cook for 4-5 minutes, until browned.
05 -
Return the bell peppers to the skillet. Pour in the stir fry sauce and cook for an additional 2-3 minutes, stirring occasionally, until the sauce thickens.
06 -
Serve the pepper steak and sauce over cooked rice.