A commonly recommended protein source for plant-based diets is legumes, which include beans, lentils, and peas. These foods are not only high in protein but also provide essential nutrients such as fiber, iron, and folate. Other plant-based protein sources include quinoa, nuts, seeds, and soy products like tofu and tempeh. By incorporating a variety of these foods, individuals can meet their protein needs while reaping the health benefits associated with plant-based eating, including improved heart health and a lower risk of chronic diseases.