This restaurant is easy to find in the city centre. It's downstairs in the food court of the shopping centre. Most of the items are vegan including the soy milk based sauces. They will also bring you cheese-free vegan quesadillas if you ask. This is one of the tastiest all-veggie buffets I've been to in Brazil, and one of the cheapest. Like always, I recommend making yourself a takeaway meal as well if you've got a long bus trip coming up.