Preheat oven to 180 C / Gas 4. Grease baking trays. Sift together the 250g flour, bicarbonate of soda,1/4 teaspoon salt, cocoa and 200g sugar.. 7 results for whoopie pie maker Save whoopie pie maker to get e-mail alerts and updates on your eBay Feed. Unfollow whoopie pie maker to stop getting updates on your eBay feed.. Lightly spray Whoopie Pie Maker inside on top and bottom with non-stick cooking spray and spray inside top. Close lid, plug in and preheat Whoopie Pie Maker until bake ready HELPFUL HINTS light turns on. Combine flour, sugar, baking powder and salt. In another bowl, combine butter, milk, egg and vanilla.. • Read this manual to familiarise yourself with all the parts and operating principles of the Whoopie Pie maker. Pay particular attention to the safety instructions on the previous pages.. 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".. #HowItsMade Mondays 9/8c on Science This Whoopie Pie factory has a variety of delicious ingredients that give these traditional treats their signature taste..