Itinéraires :
Preheat the oven to 375°F (190°C). Line a baking sheet with parchment paper.
Stir-fried Vegetables: Heat the olive oil in a large skillet over medium heat. Add chopped onion, green pepper and red pepper. Cook for 5-7 minutes, until vegetables are tender and slightly caramelized.
Cook the steak: push vegetables to the side of the skillet and thinly slice beef steak. Season with salt, pepper and garlic powder Cook for 3-5 minutes, until beef is no longer pink. Add the Worcestershire sauce and stir together.