<P> An upside - down cake is a cake that is baked in a single pan with its toppings at the bottom of the pan, hence "upside - down". Then, when removed from the oven, the upside - down preparation is de-panned onto a serving plate, thus righting it, and serving it right - side up . </P> <P> Usually chopped or sliced fruits--such as apples, cherries, peaches, or pineapples--butter, and sugar are placed on the bottom of the pan before the batter is poured in, so that they form a baked - on topping after the cake is inverted . </P> <P> Traditional upside - down preparations include the American pineapple upside - down cake, the French Tarte Tatin, and the Brazilian or Portuguese Bolo de ananas . </P>

What is the origin of pineapple upside down cake
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