The BEST Pumpkin Whoopie Pies – A delicious pumpkin cookie that can be eaten single or filled with whoopie pie filling to make it even better. Yields: 3 dozen Ingredients 2 cups packed brown sugar1 cup vegetable oil1 ½ cups solid pack pumpkin puree2 eggs3 cups all-purpose flour1 teaspoon salt1 teaspoon baking powder1 teaspoon baking soda1 ... Read more