Portuguese kale, also known as "couve galega" or "couve portuguesa" in Portuguese, is a leafy green vegetable that is a staple in Portuguese cuisine. Portuguese kale is highly nutritious and packed with vitamins, minerals, and dietary fiber. It is a good source of vitamins A, C, and K, as well as calcium, potassium, and antioxidants. It is low in calories and fat, making it a healthy addition to a balanced diet.