Whoopie pie

American pastry

The whoopie pie, alternatively called a black moon, gob, black-and-white, bob, or BFO, is an American baked confection that may be considered either a cookie, pie, sandwich, or cake. It is made of two round mound-shaped pieces of cake — usually chocolate, but sometimes pumpkin, gingerbread or other flavored cakes —with a sweet, creamy filling or frosting sandwiched between them.

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