Happy Meatless Monday Chicago. One of our readers informed us that they were using tofu as a replacement in their dinners on Meatless Monday. They asked us for more information on the question most vegetarians and vegans have asked themselves at some point, “What the hell is tofu?” Here is an infographic from Nasoya with the answer. It also includes some tofu recipes. If you are not interested in trying to cook tofu on your own, check out some Vegan and Vegetarian Restaurants in Chicago.