This Camp Pineapple Upside-Down Cake is a delightful, caramel-rich dessert perfect for outdoor cooking. Prepared in a cast iron Dutch oven over hot coals, it features a moist yellow cake infused with pineapple juice, topped with caramelized brown sugar, butter, pineapple rings, and a splash of rum for extra depth. The unique campfire cooking method imparts a rustic flavor, making it a perfect treat for camping trips or backyard fire pits.