This pistachio and coconut cake is a tropical and nutty dessert that's perfect for a beach-themed dinner party. The cake is made with ground pistachios, flour, sugar, baking powder, salt, eggs, milk, oil, and shredded coconut. The coconut adds a sweet and chewy texture to the cake, while the pistachios give it a nutty crunch. The cake is topped with a simple coconut glaze made with powdered sugar and coconut milk. Serve this cake with a piña colada for a truly tropical experience.