Apple Snacking Spice Cake 1 cup unbleached all-purpose flour 3/4 cup cake flour 1 1/2 teaspoons baking soda 1/2 teaspoon kosher salt 1/4 teaspoon ground cinnamon 1/4 teaspoon ground ginger 1 1/2 cups granulated sugar 3/4 cup unsalted butter at room temperature 2 large eggs 4 cups peeled, cored and chopped Granny Smith apples 1/2…