Ingredients 1 cup all-purpose flour, plus more for prepping pan 1/2 cup whole-wheat flour 1/3 cup sugar 1/4 cup light or dark brown sugar 2 1/2 teaspoons baking powder 1/2 teaspoon salt 1 teaspoon ground cinnamon 1/2 teaspoon ground nutmeg 2 large eggs 1 cup whole milk 6 tablespoons unsalted butter, melted, plus more for…