# Ingredients:
01 – 1 pound beef top sirloin steak
02 – 1/4 cup soy sauce
03 – 2 tablespoons white sugar
04 – 2 tablespoons cornstarch
05 – 1/2 teaspoon ground ginger
06 – 3 tablespoons vegetable oil, divided
07 – 1 red onion, cut into 1-inch squares
08 – 1 green bell pepper, cut into 1-inch squares
09 – 2 tomatoes, cut into wedges
# Instructions:
01 – Slice the beef into 1/2-inch thick strips across the grain for tenderness.
02 – In a bowl, whisk together the soy sauce, white sugar, cornstarch, and ground ginger until the mixture is smooth and the sugar is dissolved.
03 – Coat the beef slices thoroughly in the marinade, ensuring even coverage.
04 – Heat 1 tablespoon of vegetable oil in a wok or large skillet over medium-high heat. Cook the beef strips in batches, stirring frequently until browned, about 3 minutes. Transfer to a bowl and set aside.
05 – In the same wok, return the seared beef and add the red onion. Toss and cook for about 2 minutes until the onion begins to soften.
06 – Stir in the green bell pepper and continue cooking for 2 minutes until it becomes vibrant and tender.
07 – Add the tomato wedges to the wok and stir everything together to combine the flavors.
08 – Serve the dish immediately. Pair with steamed rice for a complete meal.