This apple upside-down cake recipe is a unique and delicious dessert that is sure to impress. The cake is made with fresh apples, brown sugar, and cinnamon. The batter is a combination of flour, sugar, eggs, and butter. The cake is baked until golden brown and then flipped over to reveal a beautiful caramelized apple topping. Serve it warm with a dollop of whipped cream for a decadent dessert.