01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - Whisk together flour, baking powder, salt, and black pepper in a large bowl.
03 - Add cold cubed butter to dry ingredients and use a pastry cutter or fingertips to blend until mixture resembles coarse crumbs.
04 - Stir in grated cheddar, chives, and parsley evenly.
05 - Whisk milk, heavy cream, and egg together in a small bowl, reserving 1 tablespoon for brushing scone tops.
06 - Pour wet mixture into dry ingredients and gently combine with a fork until a shaggy dough forms; avoid overmixing.
07 - Turn dough onto lightly floured surface and pat into a 1-inch thick round.
08 - Slice dough into 8 wedges and place on prepared baking sheet.
09 - Brush scone tops with reserved milk-egg mixture and sprinkle with additional grated cheddar.
10 - Bake for 18 to 20 minutes until golden brown and cooked through. Allow to cool slightly before serving.