Mix cornstarch and water in a bowl.
Add soy sauce, sugar, red chilly sauce and vinegar. Mix well and keep aside.
Heat oil in a wok over high heat.
Add finely chopped garlic, ginger and slit green chillies. Stir fry for a while.
Add the vegetables one after the other in the order of broccoli, carrots, baby corns, beans, onions, capsicum, mushrooms and cabbage. Saute for a while until slightly cooked but still crunchy.
Add the tofu pieces and season with salt and pepper.
Add the prepared soy and cornstarch mixture. Toss everything well to combine all the flavors.
Cook for 2-3 minutes or until the vegetables are slightly tender but still retain their crunch.
Transfer to a plate and serve hot with some spring onion greens if you like.
