Cashews are naturally gluten-free and low in saturated fat. Cashews are a great source of manganese, magnesium, copper, phosphorus, and tryptophan. They are also a good source of iron, zinc, selenium, and protein. Cashews can be enjoyed in a variety of ways. Some people like to eat them raw or roasted. Cashews can also be ground into a paste or made into butter. Cashews can be found in many grocery stores and can be purchased in bulk.