Paleo Pina Colada Upside Down Cake- A grain free, paleo pina colada upside down cake that is tropical delight. This Paleo Pina Colada Upside Down Cake is a grain free treat with all the flavors of the yummy Hawaian drink. Pineapple, coconut and banana make this cake an awesome paleo treat.  Carmelized pineapple rings and