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Have you ever seen a “cashew apple” before? Cashews actually grow in a shell that’s attached to the cashew apple which grows from the tree branch, as you can see in the image above.
Typically the apple, with the seed still attached, is picked from the tree branch. The shell is removed along with the skin, and the cashews are dried, oil-fried or steamed. The shells of cashews are removed because they contain a harmful substance called urushiol.
Sound familiar? Urushiol is commonly found in plants of the family Anacardiaceae, which includes poison ivy and poison sumac! Many people are allergic to urushiol oil, especially if it gets on the skin, but don’t worry! All the harmful bits of cashews are removed leaving them as a safe and tasty treat.
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