Lentils are small legumes that come in a variety of colors, including green, red, and black. They are rich in protein, fiber, and essential nutrients like iron, folate, and magnesium. Lentils support heart health, improve digestion, and help regulate blood sugar levels. They cook quickly and are ideal for soups, stews, and salads. Lentils are a great source of plant-based protein, making them an essential part of vegetarian and vegan diets.