01 -
Preheat the oven to 400°F and line a baking sheet with parchment paper to prevent sticking.
02 -
In a large bowl, whisk together the flour, sugar, baking powder, salt, and lemon zest until evenly mixed.
03 -
Add the cold cubed butter to the flour mixture and use a pastry cutter or fingertips to incorporate until coarse crumbs resembling small peas form. This creates flakiness in the scones.
04 -
In a separate bowl, whisk together the heavy cream, egg, and vanilla extract until smooth and uniform.
05 -
Pour the wet ingredients over the dry mixture and gently stir until just combined. The dough should be shaggy and slightly lumpy; avoid overmixing to maintain tenderness.
06 -
Sprinkle the blueberries evenly over the dough and fold them in gently to keep the berries whole and the dough light.
07 -
Transfer the dough to a lightly floured surface and pat it into a 7-inch diameter disc approximately 1 inch thick. Work quickly to keep the butter cold.
08 -
Slice the disc into eight equal wedges and place each wedge onto the prepared baking sheet, leaving space between them for even baking.
09 -
Brush the tops lightly with extra heavy cream to promote a golden crust. Bake in the preheated oven for 16 to 18 minutes until tops are warm golden and edges firm.
10 -
Allow the scones to cool on a wire rack for about 10 minutes. Whisk together powdered sugar and fresh lemon juice, then drizzle the glaze over the scones while slightly warm.