01 - Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper.
02 - In a large bowl, whisk together flour, sugar, baking powder, and salt.
03 - Add cold butter. Cut in using a pastry cutter or fingertips until mix resembles coarse crumbs.
04 - Stir in orange zest and cranberries.
05 - In a small bowl, whisk together cream, egg, and vanilla. Add wet mixture to dry, stirring just until combined (do not overmix).
06 - Turn dough onto a lightly floured surface. Gently shape into an 8-inch (20 cm) round, about 1 inch thick.
07 - Cut into 8 wedges. Place wedges on prepared baking sheet, spacing them apart.
08 - Brush tops with a little extra cream.
09 - Bake 16-18 minutes, until golden and cooked through. Transfer to a wire rack to cool slightly.
10 - For the glaze, whisk powdered sugar and orange juice until smooth. Drizzle over warm scones. Let set for 10 minutes before serving.