1 pound flank steak, thinly sliced5 tablespoons soy sauce2 1/2 tablespoons white sugar1/4 cup chopped green onion2 tablespoons minced garlic2 tablespoons sesame seeds2 tablespoons sesame oil1/2 teaspoon ground black pepper
Place the beef in a shallow dish. Combine soy sauce, sugar, green onion, garlic, sesame seeds, sesame oil, and ground black pepper in a small bowl. Pour over beef. Cover and refrigerate for at least 1 hour or overnight. Preheat an outdoor grill for high heat, and lightly oil the grate. Quickly grill beef on hot grill until slightly charred and cooked through, 1 to 2 minutes per side.