01 - Set the oven to 400°F and 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 to the dry mixture and cut it in using a pastry cutter or fingertips until coarse crumbs form.
04 - In a separate bowl, whisk heavy cream, egg, orange zest, and vanilla extract until blended.
05 - Gently pour wet ingredients into dry ingredients and mix until nearly combined.
06 - Fold in cranberries carefully until the dough just comes together, avoiding overmixing.
07 - Turn dough onto a floured surface and pat into an 8-inch diameter circle about 3/4 inch thick.
08 - Slice dough into 8 wedges and transfer to the prepared baking sheet.
09 - Brush the scones lightly with extra heavy cream for a golden crust.
10 - Bake for 16 to 18 minutes or until scones turn golden brown. Allow to cool on a wire rack.
11 - Whisk powdered sugar, orange juice, and zest together until smooth and slightly runny.
12 - Drizzle the glaze evenly over cooled scones before serving.