This BBQ Beef & Vegetable Stir-Fry is a delicious and healthy dish that combines tender beef, crisp vegetables, and a flavorful BBQ sauce. The beef is marinated in a tangy BBQ sauce, then stir-fried with a colorful mix of bell peppers, broccoli, and carrots. The result is a satisfying and nutritious meal that is perfect for busy weeknights. Serve it over steamed rice or noodles for a complete and filling dinner.