Cashew nut is a seed that grow on the cashew tree. Cashew nuts, like all nuts, are an excellent source of protein and fibre. They are rich in mono-unsaturated fat which may help protect the heart. Cashew nuts are also a good source of potassium, B vitamins and folate. They contain useful amounts of magnesium, phosphorous, selenium and copper. Cashew nuts have a sweet, buttery flavor. It is a common ingredient in cooking. Cashew nuts complement both savoury and sweet dishes. Cashew nuts can be added to your meals and desserts in different ways to make them even more delicious. It can also be ground into a spread called cashew butter. Cashew nuts are available in whole, chopped, salted and unsalted types.