01 - Combine sliced beef with soy sauce, cornstarch, rice vinegar, and sesame oil in a bowl. Marinate for at least 10 minutes.
02 - In a small bowl, whisk together soy sauce, oyster sauce, hoisin sauce, honey, water, and cornstarch until smooth. Set aside.
03 - Heat 1 tbsp vegetable oil in a large skillet or wok over high heat. Add beef in a single layer and sear for 1-2 minutes until browned but not cooked through. Remove and set aside.
04 - Add 1 tbsp vegetable oil to the pan and stir-fry garlic and ginger for 30 seconds or until fragrant.
05 - Add broccoli, carrots, and bell peppers. Stir-fry for 2-3 minutes until tender-crisp.
06 - Return beef and spring onions to the pan. Pour in stir fry sauce and toss to combine. Cook for 1-2 minutes until sauce thickens and beef is cooked through.
07 - Serve hot over steamed jasmine or basmati rice, garnished with sesame seeds if desired.