01 - 
                Set the oven temperature to 375°F to prepare for baking.
              
              
              
                02 - 
                Whisk the flour, sugar, baking powder, and salt together in a large mixing bowl until evenly combined.
              
              
              
                03 - 
                Using a pastry cutter, cut the chilled butter into the dry ingredients until the texture resembles coarse crumbs.
              
              
              
                04 - 
                Whisk the eggs and buttermilk together until smooth, then pour into the flour mixture.
              
              
              
                05 - 
                Gently fold the grated cheddar and chopped chives into the dough until just combined, avoiding overmixing.
              
              
              
                06 - 
                Turn the dough onto a lightly floured surface and knead briefly until it holds together. Divide into two even circles.
              
              
              
                07 - 
                Brush the tops of the dough circles with a beaten egg and let rest for 10 minutes.
              
              
              
                08 - 
                Sprinkle approximately 1 tablespoon of reserved grated cheddar evenly over the top of each scone.
              
              
              
                09 - 
                Place scones on a baking sheet and bake for 20 minutes or until golden brown around the edges.