GFCF Skillet Cake

I ran across this recipe for Skillet Cake in the latest Penzey's catalog and was intrigued. I love using my cast iron skillet for just about everything, but cake? I had to try it. It converted to being gluten free easily, it's already egg free, and it's delicious.The kids were so excited to have cake in a nifty skillet that they were falling over themselves in excitement. "Mommy, is that cake