GF Skillet Apple Upside-Down Cake
We've all heard of a pineapple upside-down cake.  You know- pineapples slices, cherries, and brown sugar baked on the bottom of a cake and then flipped.  It's actually one of my favorite adult drinks!  Way back in college, we visited a local establishment every Tuesday night for nachos piled high with beef, salsa, cheese, sour