Pui Shak, commonly known in English as Malabar Spinach, is a popular leafy vegetable in Bangladesh and many other tropical and subtropical regions of Asia. Unlike ordinary spinach, Pui Shak is a climbing leafy plant that grows vigorously in warm and humid weather. Its soft leaves, tender stems, and young shoots are widely used in traditional Bangladeshi cooking, where they are prepared with fish, vegetables, lentils, shrimp, pumpkin, potato, or other ingredients. Because Pui Shak grows rapidly and can produce fresh leaves for a long period, it is an excellent vegetable for both household gardens and commercial cultivation. One of the most interesting ways to grow Pui Shak is through sack or bag cultivation. This method is especially useful for people who do not have large areas of agricultural land. Farmers and urban gardeners can grow Pui Shak in large sacks, bags, containers, or other suitable growing structures placed on rooftops, balconies, courtyards, verandas, or unused spaces around the house. With proper soil preparation, watering, fertilization, sunlight, and support for climbing, a healthy Pui Shak plant can provide a continuous supply of fresh green leaves. At the same time, eating Pui Shak can contribute valuable nutrients to the daily diet, making this crop useful from both an agricultural and nutritional perspective.