Sweet, sour, hot, spicy and salty, this vibrant salad includes all five elements that are fundamental to Vietnamese cooking. Vital, too, is the contrast in textures, from the crunch of the cashews to the crisp vegetables and soft, yielding rice noodles. Find crisp fried tofu in Asian grocers or cook your own following the instructions below. Alternatively, try the soy-glazed chicken option, opposite, if you are serving to non-vegetarians.