01 -
Preheat oven to 200°C (400°F). Line a baking sheet with parchment paper.
02 -
In a large bowl, whisk together flour, sugar, baking powder, baking soda, and salt.
03 -
Cut in the cold butter using a pastry cutter or your fingers until the mixture resembles coarse crumbs.
04 -
In a small bowl, stir together the buttermilk and vanilla. Add to the dry ingredients and stir until just combined—avoid overmixing.
05 -
Gently fold in the blueberries. If using frozen berries, keep them frozen to prevent bleeding into the dough.
06 -
Turn the dough out onto a floured surface and gently pat into an 8-inch circle, about 2.5 cm thick.
07 -
Cut into 8 wedges and transfer to the prepared baking sheet, spacing them slightly apart.
08 -
Brush the tops with buttermilk and sprinkle with coarse sugar if using. Bake for 18–22 minutes, or until golden brown and cooked through.
09 -
Allow scones to cool slightly before serving. Enjoy warm or at room temperature.