Quick Beef and Vegetable Stir-Fry with Fresh Herbs - Mr. Cook

Ingredients

• 300 g beef sirloin or flank steak, thinly sliced against the grain
• 1 tbsp soy sauce
• 1 tsp cornstarch
• ½ tsp sesame oil
• 1 tbsp vegetable oil, divided
• 1 medium onion, thinly sliced
• 2 cloves garlic, minced
• 1 medium zucchini, cut into half-moons
• 1 large carrot, julienned
• 2 spring onions, chopped
• ¼ cup fresh parsley, chopped
• Cooked rice
• 1 egg, lightly beaten (optional, for serving)
• Salt and freshly ground black pepper to taste