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 to dry ingredients and cut in using a pastry cutter or fingertips until mixture resembles coarse crumbs.
04 - In a separate bowl, whisk heavy cream, egg, orange zest, and vanilla extract until blended.
05 - Pour wet ingredients into dry ingredients and gently mix until nearly combined.
06 - Fold in cranberries just until dough comes together, avoiding overmixing.
07 - Turn dough onto a floured surface, pat into an 8-inch circle approximately 3/4 inch thick.
08 - Cut dough into 8 wedges and place on prepared baking sheet.
09 - Brush tops of scones with additional heavy cream for a golden crust.
10 - Bake for 16 to 18 minutes until golden brown. Transfer to wire rack to cool.
11 - Whisk powdered sugar, orange juice, and orange zest until smooth and slightly runny.
12 - Drizzle glaze over cooled scones before serving.