Preheat the oven to 350 degrees and spray a 9in spring form pan with pam baking spray
Wrap the bottom of the springform pan in foil to avoid leakage
Using a medium pot over medium-high heat, bring the butter and brown sugar to a light boil.
Whisk to make sure all of the sugar has dissolved Pour 1⁄4 cup of the sauce onto the inside of the pan Lay your pineapples slices onto the sauce
Place your cherries in the centers of the pineapple Using a medium bowl, melt the butter
Whisk in the sugar until combined
Whisk in the eggs until combined
Whisk in the buttermilk, baking powder, baking soda, and salt until combined
Gradually whisk in the flour until combined and smooth
Carefully pour the batter over the pineapple to make sure that no sauce comes out from the sides
Bake in the oven on a cookie sheet for 40 minutes or until a toothpick comes out clean
Remove from oven and allow to cool completely
Using a cake leveler or a serrated knife, cut the pineapple cake into two halves
Place the two cake halves onto a place or cake board for easy removal
Place the bottom cake layer onto the round springform pan
Carefully remove the cheesecake from the fridge and place the cheesecake on top of the bottom cake layer
Carefully place the top cake layer on top of the cheesecake Heat up the brown sugar sauce until it is liquid again
Carefully pour the sauce over the cheesecake and enjoy!