INGREDIENTS
2 1/2 cups
all-purpose unbleaced flour (I use King Arthur Flour)
1/4 cup
granulated sugar, plus more for sprinkling on tops of scones
1 tbsp
baking powder* (see step 11)
3/4 tsp
kosher salt
6 tbsp
chilled unsalted butter, cut into small cubes
3/4 cup
frozen wild Maine blueberries
1 cup
heavy cream, plus more for brushing on tops of scones
1
large egg
1 1/2 tsp
pure vanilla extract