Prepare brown sauce per recipe, reserve. Combine beef strips, garlic, ginger, sesame oil and soy sauce. Marinate for 5 minutes. Preheat a large wok or sauté pan. Add vegetable oil to pan. Add onion and sauté for 2 minutes over high heat. Stir in marinated beef strips and cook until browned. Add peppers and carrot, cook for 2 minutes. Reduce heat and add brown sauce to coat beef and pepper mixture. Season with salt and fresh ground black pepper. Place a mound of steamed rice onto warm serving plates or a platter. Place Pepper Steak around rice. Garnish with sesame seeds and scallions.