"This recipe for Betty's Slow-Cooker Pineapple Upside Down Cake is an easy pineapple upside down cake using cake mix. It's simple to make pineapple upside down cake in the slow cooker and still end up with the classic cake, we all know and love. This slow cooker pineapple upside down cake recipe includes traditional ingredients, such as brown sugar, butter, pineapple slices, and maraschino cherries. The addition of coconut flakes gives the cake an extra rich flavor and dense texture. Serve up this 1950s-style treat when you're feeling nostalgic, or offer it to guests at your next party or potluck. Loved ones will be impressed with your slow cooker baking skills!..."