This pistachio cake is a decadent dessert that is perfect for special occasions. The cake is made with a combination of pistachio pudding mix, yellow cake mix, and chopped pistachios, giving it a rich and nutty flavor. The white chocolate ganache is the perfect complement to the cake, adding a creamy sweetness that balances out the nuttiness of the pistachios. This cake is sure to impress your guests and leave them wanting more!