This classic pistachio cake recipe is a delicious and easy-to-make dessert that is perfect for any occasion. The cake is made with a combination of pistachio pudding mix, yellow cake mix, eggs, oil, and water. The result is a moist and flavorful cake that is sure to impress your guests. Serve it with a dollop of whipped cream and some chopped pistachios for a beautiful and tasty dessert.