01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - In a large bowl, whisk together flour, sugar, baking powder, and salt.
03 - Add cold butter cubes and cut in using a pastry cutter or fingertips until mixture resembles coarse crumbs.
04 - Whisk egg, heavy cream, orange zest, and vanilla extract in a small bowl.
05 - Pour wet ingredients into dry and stir gently just until combined; avoid overmixing.
06 - Fold cranberries into the batter evenly.
07 - Turn dough onto a lightly floured surface and pat into a 7-inch circle about 1 inch thick.
08 - Cut dough into 8 wedges and place spaced on the prepared baking sheet.
09 - Lightly brush the tops of the wedges with heavy cream.
10 - Bake for 16 to 18 minutes until golden brown. Transfer to a wire rack to cool.
11 - Whisk powdered sugar, orange juice, and zest until smooth. Drizzle over cooled scones and allow to set before serving.