01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - Whisk together flour, sugar, baking powder, and salt in a large bowl.
03 - Add cold cubed butter to dry ingredients and work in with a pastry cutter or fingertips until mixture resembles coarse crumbs.
04 - Whisk milk, egg, and vanilla extract in a separate bowl until combined.
05 - Gently pour wet ingredients into dry mix and stir until just combined, taking care not to overmix.
06 - Fold chocolate chips evenly into the dough.
07 - Turn dough onto a lightly floured surface and pat into a 1-inch thick round.
08 - Cut dough into 8 wedges and place on prepared baking sheet with space between each.
09 - Brush tops lightly with extra milk to encourage golden browning.
10 - Bake for 16 to 18 minutes until golden brown and cooked through.
11 - Allow scones to cool slightly; serve warm or at room temperature with clotted cream.