Saag, also known as mustard leaf, is a leafy green vegetable that is commonly used in South Asian cuisine. It has a slightly bitter and peppery flavor, similar to mustard greens. Saag is rich in vitamins, minerals, and antioxidants, making it a nutritious addition to any diet. It is often cooked with spices, garlic, and onions to create a flavorful and aromatic dish. Saag can be enjoyed as a side dish or main course, and is often served with rice or bread.