This healthy pistachio cake recipe is made with Greek yogurt, almond flour, and honey instead of refined sugar. It's a delicious and guilt-free dessert that's perfect for any occasion. The cake is moist, fluffy, and has a nutty flavor from the pistachios. The Greek yogurt adds a tangy taste and makes the cake extra moist. This recipe is also gluten-free and can be made vegan by using a plant-based yogurt. Enjoy a slice of this healthy pistachio cake with a cup of tea or coffee for a satisfying and guilt-free treat.