1/2 cup margarine* 1 cup white sugar 1 egg 2 cups all-purpose flour 5 tablespoons unsweetened cocoa powder 1 teaspoon baking powder 1/2 teaspoon salt. #HowItsMade Mondays 9/8c on Science This Whoopie Pie factory has a variety of delicious ingredients that give these traditional treats their signature taste.. I am sharing a recipe of eggless whoopie pie. I baked beautiful, pillowy chocolaty cake discs and sandwiched them with cream cheese frosting, and it is such a classic combo of flavorful joy. A bit of melted chocolate on top made them look more inviting.. brown sugar, icing sugar, medium egg, Stork Tub, vanilla extract and 8 more Chocolate Whoopie Pies Tinned Tomatoes unsalted butter, large egg, salt, cocoa, large egg whites, buttermilk and 9 more. . .