Apple-Pomegranate Cobbler

Ingredient:

• 1 cup apple cider
• 2 sticks plus 2 tablespoons unsalted butter, softened, plus more for greasing
• 2 medium Granny Smith apples, peeled, cored, and cut into 1/4-inch pieces
• 1 teaspoon granulated sugar
• Kosher salt
• 1 1/2 cups all-purpose flour, plus more for dusting
• 3/4 cup whole-wheat flour
• 1 1/4 teaspoons baking powder
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon ground ginger
• 1/4 teaspoon freshly grated nutmeg
• 2/3 cup packed light brown sugar
• 4 large eggs
• 1 teaspoon pure vanilla extract
• 1 cup apple cider
• 2 tablespoons unsalted butter
• 1/2 cup confectioners’ sugar, sifted
• 1/4 teaspoon kosher salt