The beans with 4 sides are called four angled beans or also winged beans.
Four angled beans or winged beans are a popular vegetable in several Southeast Asian cuisines.
Four angled beans or winged beans are known for their unique shape and can be eaten either cooked or raw.
Winged beans and four angled beans are also called the Goa bean.
The winged beans or Goa beans are a highly nutritious bean and plant, which almost every part of the Goa bean plant being edible.
The edible parts of the Goa bean plant include the pods, leaves, flowers, roots and seeds.
The Goa bean plant is a climbing vine and often reaches heights of 10 feet to 13 feet tall.
And it also has distinctive 4 winged pods which are rectangular in shape and the leaves are also pointed and can also be 3 inches to 6 inches long and the 4 leaf like wings run lengthwise to the pods.
The flowers of the Goa bean plant are also pale blue and are edible and the roots are also tuberous and can be used similar to potatoes.
The young pods of the Goa bean plant are tender and can be eaten cooked or raw like green beans or asparagus and they can also be grilled, sauteed or added to stir fries, salads, soups and pasta.
The young leaves of the Goa bean plant can also be used in salads, like spinach, in soups and stews and the tuberous roots of the Goa bean plant are edible and can be steamed, boiled, baked, fried or even made into chips like potato chips and they are also a good source of protein and are also often compared to potatoes.
And the seeds of the Goa bean plant when matured can be dried and used as a flour or cooked like other beans.
Winged beans or Goa beans are healthy and a good source of fiber, B vitamins, protein as well as essential amino acids, copper, iron and manganese.