One of the highlights of this Plum Upside Down Cake is the caramelized peach plum topping. The natural tartness of the plums, ...

medium peaches, halved, pitted and sliced into 1/4-inch thick wedges plums, halved, pitted and sliced into 1/4-inch thick wedges salted butter packed light brown sugar all-purpose flour baking powder ...

27.8 x 35.1 cm. (10.9 x 13.8 in.) ...