A quick and easy sauce with a rich texture, the tangy tomato sauce for vegetables and noodles is a must-try recipe for aficionados of oriental cooking. Made easily with tomato ketchup thickened with cornflour and boosted with tongue-tickling ingredients like vinegar, soy sauce and ginger-garlic paste, this handy recipe gives your stir-fries and noodles a tangy and pungent taste, which is characteristic of oriental cooking. You can also prepare your noodles using other sauces like the schezuan sauce and spicy peanut sauce.