According to Pots and Pans, yes! You can eat the fruit from cashew trees, but the names are a little misleading. It turns out that these "fruits," called cashew apples, aren't fruits. The cashew itself is the real fruit of the tree, while these "apples" are the cashew's stems.

Yes, the cashew nut is edible and is typically removed from the fruit and processed separately. However, it’s important to note that the nut must be roasted to remove the toxic oils before consumption.