Pesto Beef Stir Fry is a quick and flavorful dish that combines tender beef strips with vibrant vegetables and a homemade pesto sauce. The beef is marinated in a mixture of soy sauce, garlic, and ginger, then stir-fried with bell peppers, broccoli, and snap peas. The dish is finished with a drizzle of pesto sauce and served over steamed rice or noodles.