Cashew Apple Crisp. This has nothing to do with Apples. The Cashew Apple is the fruit of the Cashew tree that the Cashew Nut comes from. This is just one of the many ways to use the cashew apple, a delicious fruit that is popular in Belize. Here we show you step by step how to make a delicious crisp or crumble from the cashew apples and papaya, another Belizean fruit.