This vegetarian and vegan mexican rice recipe is a simple take on a traditional mexican food dish that is easy to prepare and needs no special ingredients. First, the rice is lightly toasted with garlic, onions, and lots of other spices, then slowly simmered with tomatoes, absorbing all of their liquid to become deliciously flavorful. You can use either canned or fresh chopped tomatoes in this recipe. Mexican rice is a great start to a vegetarian mexican meal and is also a simple and easy gluten-free vegan dinner idea.