01 - Set oven to 400°F and line a baking sheet with parchment paper.
02 - Whisk together flour, baking powder, salt, and pepper in a large bowl.
03 - Add cold cubed butter to dry mixture; use a pastry cutter or fingertips to blend until mixture appears like coarse crumbs.
04 - Fold grated cheddar and chopped herbs into the mixture evenly.
05 - Whisk milk and egg in a small bowl; reserve 1 tablespoon for brushing tops of scones.
06 - Combine remaining milk mixture with dry ingredients, mixing gently until a soft dough forms without overworking.
07 - Turn dough onto lightly floured surface; pat into a 1-inch thick round and cut out scones using a 2.5-inch cutter, re-rolling scraps as needed.
08 - Arrange scones on baking sheet and brush tops with reserved milk-egg mixture.
09 - Bake for 16 to 18 minutes until golden and puffed; allow to cool slightly before serving.