Step 1

Preheat oven to 350 degrees. Place stick of butter in 9x13 inch pan and put this in the oven while it preheats for just a few minutes, until butter is melted. Once butter is melted, carefully remove from oven and sprinkle brown sugar all over top of melted butter in pan. Place pineapple slices on top of brown sugar, reserving pineapple juice. Place a cherry in the center of each pineapple slice.

Step 2

Prepare cake mix as directed on package, substituting pineapple juice for some of the water called for. Slowly pour cake mix over pineapple slices and cherries.

Step 3

Bake at 350 for forty five minutes, or until toothpick insterted in cake comes out clean.

Step 4

For moister cake, place toothpicks in corners and center of cake, then cover with cling wrap or aluminum foil before it has cooled completely.