Legumes in Aloo Matar is a popular Indian dish that combines potatoes (aloo) and peas (matar). The dish is made with a variety of spices and herbs, and is often served as a side dish or as part of a larger meal. Legumes are an important part of the dish, providing protein and fiber. Peas are the most common legume used in this dish, but other legumes such as lentils, chickpeas, and beans can also be used.