Preheat theoven to 375˚F. Line a large baking tray withparchment paper.
Mix flour,sugar, baking powder and salt in a large bowl. Mix in lemon zest. Using apastry blender, cut the butter into the flour mixture until it resembles coarsecrumbs.
In a mediumbowl, mix together the cream, milk, egg, and vanilla. Pour over top of theflour mixture and mix until the dough comes together. Do not overwork thedough. Gently mix in the cranberries.
Place thedough on a lightly floured surface and gently flatten the dough into a 10-inchround. Cut into 8 wedges and place them on the prepared baking sheet about 2 inches apart.
Brush thescones with the cream and bake for 22 minutes or until lightly browned on top.Remove and place on a wire cooling rack.
Allow the sconesto cool completely, then drizzle the scones with the glaze using a small spoon.For a neater look, you can use a piping bag to do this.