01 - 
                Preheat oven to 200°C and line a baking tray with parchment paper.
              
              
              
                02 - 
                In a large bowl, whisk together all-purpose flour, granulated sugar, baking powder, and salt.
              
              
              
                03 - 
                Grate frozen unsalted butter directly into the dry ingredients. Use a pastry blender or fork to blend until the mixture resembles coarse crumbs. Chill the bowl in the refrigerator for 10 minutes.
              
              
              
                04 - 
                In a separate bowl, whisk together sour cream, heavy cream, egg, vanilla extract, and orange zest until well combined.
              
              
              
                05 - 
                Pour the wet mixture over the chilled dry mixture. Stir gently until just moistened. Fold in the halved fresh cranberries.
              
              
              
                06 - 
                Turn dough onto a lightly floured surface. Gently pat into a 2.5 centimetre thick circle. With a sharp knife, cut into 8 equal wedges.
              
              
              
                07 - 
                Arrange wedges on the prepared baking tray. Brush tops with extra heavy cream. Bake for 15–18 minutes or until golden brown.
              
              
              
                08 - 
                Allow scones to cool for 10 minutes. Whisk together powdered sugar and fresh orange juice until smooth, then drizzle over warm scones before serving.