#HowItsMade Mondays 9/8c on Science This Whoopie Pie factory has a variety of delicious ingredients that give these traditional treats their signature taste.. Spoon 20 spoonfuls onto trays, well spaced. Bake for 12 mins or until firm to touch, peel off trays. Cool. Bake for 12 mins or until firm to touch, peel off trays. Cool.. KAISER 12-Cup Whoopie Pie Baking Pan 38 x 27 cm Creativ Very Good Non-Stick Coating Short Baking Time for Sweet and Savoury Recipes. 496 results for whoopie pie Save whoopie pie to get e-mail alerts and updates on your eBay Feed. Unfollow whoopie pie to stop getting updates on your eBay feed.. Fall in love with this easy recipe for whoopie pies. Two light discs of chocolate sponge sandwich a fluffy vanilla buttercream filling. Perfect for cake sales, packed lunch treats or making friends at the office!. L.D. 71, officially known as "An Act to Designate the Whoopie Pie as the State Dessert", read "The whoopie pie, a baked good made of two chocolate cakes with a creamy frosting between them, is the official state dessert"..