Name: Apple Cinnamon Spice Whoopie Pies
Prep time: 45 min
Cook time: 13 min
Total time: 2 h
Yield: 18 sandwiches
Ingredients: 2 cups (480ml) apple cider; 3 cups (375g) all-purpose flour (spoon & leveled); 1 teaspoon baking powder; 1/2 teaspoon baking soda; 1 and 1/2 teaspoons ground cinnamon; 1/2 teaspoon ground ginger; 1/2 teaspoon ground nutmeg; 1/2 teaspoon salt; 1/2 cup (115g; 1 stick) unsalted butter, softened to room temperature; 3/4 cup (150g) granulated sugar; 1/4 cup (50g) packed light or dark brown sugar; 2 Tablespoons (30ml) vegetable oil (or melted coconut oil); 3/4 cup (180g) unsweetened applesauce, at room temperature; 2 large eggs, at room temperature; 1 teaspoon pure vanilla extract; optional: cinnamon sugar for topping (see note); 3/4 cup (170g; 1.5 sticks) unsalted butter, softened to room temperature; 4 cups (480g) confectioners' sugar; 1/2 teaspoon ground cinnamon; 1/8 teaspoon ground nutmeg; 1/8 teaspoon ground ginger; 3 Tablespoons (45ml) apple cider (or milk); 1 teaspoon pure vanilla extract; pinch of salt