Pineapple upside-down cake makes me smile! Isn't it just a happy cake? It's so retro and cute, and you know I had to zhush it up, right? Well, I put some rum on the guest list and this cake is now ready to party! Now I have to tell you, while I've always liked pineapple upside-down cake, I wasn't like the president of the pineapple upside-down fan club - until now! Because there is one ingredient in this cake that seals the deal, and I'm not even talking about the rum. Don't get me wrong, the rum is good. I mean, rum is always ...