Pear Skillet Cake

Makes 12 servings 2 cups cake flour 2 1/4 teaspoons baking powder 1/2 teaspoon baking soda 1/2 teaspoon kosher salt 1 1/2 teaspoons ground ginger 1 teaspoon ground cinnamon 1/4 teaspoon ground nutmeg 1/4 teaspoon ground mace 1/4 teaspoon ground allspice 2 Bartlett pears, peeled and cored 2 egg yolks 1/4 cup molasses…