Preheat your oven to 350°F (175°C) and grease a 9x5-inch loaf pan.

In a medium bowl, whisk together all-purpose flour, baking soda, salt, ground cinnamon, ground nutmeg, and ground cloves.

In a large mixing bowl, cream together unsalted butter and granulated sugar until light and fluffy.

Add eggs one at a time, mixing well. Stir in vanilla extract.

Gradually add dry ingredients to wet ingredients, alternating with sour cream.

Fold in chopped Granny Smith apples and optional nuts.

Pour the batter into the prepared loaf pan and sprinkle turbinado sugar on top.

Bake for 50-60 minutes, testing for doneness with a toothpick.

Let it cool in the pan for 10 minutes before transferring to a wire rack.