The primary protein source for vegetarians is legumes. These include beans, lentils, peas, and chickpeas, which are rich in protein and fiber while being low in fat. Legumes are a vital part of vegetarian diets as they provide essential amino acids necessary for muscle repair and overall health. Additionally, they are versatile and can be incorporated into a myriad of dishes, including soups, salads, and stews, enhancing the nutritional profile of meals. As a staple in many cultures worldwide, legumes are celebrated for their health benefits and environmental sustainability.