For the Sauce U need to mix Vinegar, Salt, Sugar, Cornflour, Water and a generous quantity of Ketchup. U could also add fresh Pineapple Juice.
For the Stir Fried Vegetable U need chopped garlic, carrots, onion, capsicum cut into cubes.
For the Meat Balls U need to deep fry them and add to the stirred vegetables.
In the same wok add the Sauce, tomatoes and stir for few mins.
When done serve with steamed rice.