01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - In a large bowl, whisk together flour, sugar, baking powder, baking soda, and salt.
03 - Add cold cubed butter. Using a pastry cutter or fingertips, work butter into dry ingredients until mixture resembles coarse crumbs.
04 - In a separate bowl, whisk together cream, egg, and vanilla extract.
05 - Pour wet ingredients into dry mixture. Stir gently with a fork until just combined; do not overmix.
06 - Fold in chocolate chips.
07 - Turn dough onto lightly floured surface and gently knead 2-3 times until it comes together. Pat into a 7-inch circle, about 1-inch thick.
08 - Cut into 8 wedges and arrange on prepared baking sheet, leaving space between each scone.
09 - Brush tops with extra cream for shine.
10 - Bake for 16-18 minutes, or until golden brown. Cool slightly before serving.