Blueberry Scones

Instructions

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1. 1 Line a large baking sheet with parchment paper.
2. 2 In a large bowl, whisk together the flour, sugar, baking powder, and salt.
3. 3 On the large holes of a box grater, grate the frozen butter. Add to the flour mixture and toss to coat. Use your hands to work the butter into the flour until the mixture resembles a coarse meal. Add the blueberries and toss to incorporate.
4. 4 In a medium bowl, whisk together the buttermilk, egg, and vanilla, if using. Pour over the flour mixture and use a spatula to mix until a shaggy dough forms. Knead with your hands to incorporate any remaining dry flour. The dough should feel soft but not sticky. If it’s sticky, work in a bit more flour. If it’s dry, drizzle in a little more buttermilk. Form the dough into a ball.
5. 5 Transfer the dough ball to a lightly floured surface and form it into a 7- to 8-inch disk about 1 inch thick. Slice into 8 equal wedges and transfer to the prepared baking sheet, leaving a little space around each scone.
6. 6 Freeze the scones for 15 minutes. Meanwhile, preheat the oven to 400°F.
7. 7 Remove the scones from the freezer and brush with buttermilk. Sprinkle with coarse sugar, if using. Bake for 18 to 27 minutes, or until golden brown on top.
8. 8 Transfer to a wire rack to cool.