RECIPE IDEA: Gluten Free Gingerbread Pineapple Upside Down Cake Hi. It's Lois at Recipe Idea Shop, and we made Gluten Free Gingerbread Pineapple Upside Down Cake over my birthday weekend. Pineapple Upside Down Cake is one of my favorite cakes, so it's good to have a gluten free version. Since I've gone gluten free for