National Pineapple Upside Down Cake Day is celebrated on April 20th every year. This delicious cake has been a favorite of many people for generations. It is made with fresh pineapple, sweet butter, and a fluffy cake mix. The result is a sweet, tangy, and moist cake that is perfect for any occasion. In this blog post, we will discuss the history of pineapple upside down cake, its popularity, and how to make it at home with a tasty recipe. History of Pineapple Upside Down Cake This cake has a long and interesting history. According to historians, it was first…