<human>:  What are the healthiest types of vegetarian foods?
<bot>: The healthiest types of vegetarian foods are foods that are high in nutrients and low in calories, such as fruits, vegetables, whole grains, legumes, nuts, and seeds. Vegetarians should also ensure they get enough protein by eating sources such as tofu, tempeh, and quinoa. Additionally, foods that are fortified with essential vitamins and minerals, such as plant-based milk, are also important to include in a vegetarian diet.