01 -
Set oven temperature to 375°F (190°C).
02 -
In a large mixing bowl, whisk together flour, sugar, baking powder, and salt until evenly distributed.
03 -
Cut cold salted butter into the dry mixture using a pastry cutter until the texture resembles coarse crumbs.
04 -
In a separate bowl, whisk together eggs and buttermilk until homogenous.
05 -
Pour wet ingredients into the flour mixture and fold gently, then add grated cheddar and chopped chives, mixing lightly just until combined.
06 -
Turn the dough onto a floured surface and knead briefly until it holds together, then divide into two equal circles.
07 -
Brush the surface of each scone circle with the remaining whisked egg, then rest at room temperature for 10 minutes.
08 -
Sprinkle approximately 1 tablespoon of grated sharp cheddar onto each scone circle.
09 -
Transfer scones to a baking sheet and bake for 20 minutes or until edges are golden brown and cooked through.