In a bowl, whisk together the flour, baking soda, salt, spices and chocolate chips. Using your fingers, mix the butter into the flour mixture until combined. Add buttermilk then mix until well combined.
On a lightly floured work surface, dump out the dough and knead into a circle. Cut into 8 scones. Transfer them to the prepared sheet pan. Transfer to the freezer to chill for 15 minutes.
Preheat your oven to 375 degrees F. Brush the scones with buttermilk and transfer to the oven to bake for 12-15 minutes, until golden brown. Remove from oven and allow to cool. Drizzle with espresso glaze and serve immediately. Enjoy!