Round beans are a long bean with a round shape. The younger the bean is the sweeter it is to taste. Storage Round beans should be stored in a plastic bag in the crisper section of your fridge. Use within 4 days. Nutrition Round beans are an excellent source of soluble fibre which helps lower bad cholesterol. They are also a great source of insoluble fibre which aids bowel health. Round beans contain Vitamin C and Folate. Vitamin C is great for your immune system while Folate is important for cell growth and development. Ideal Use Round beans can be eaten raw or cooked, and both times they are great eaten as is. They are also great in stir-fries or as a side dish.