This is an easy and delicious dish from The Moosewood Restaurant Cooking for Health.The baked tofu (p. 177) is just tofu tossed with equal amounts of ketchup, soy sauce, and sesame oil, roasted at 400 degrees for about a half hour or so. The cookbook give the option of serving the baked tofu with the Japanese Noodles with Tomatoes (p. 230). The noodle recipe calls for tossing pasta with scallions, chopped tomato, sesame oil and soy sauce (in equal amounts), plus a little olive oil.
It can be served warm or cold. A good lunchbox dish.