Preheat oven to 400 degrees.
Line a large baking sheet with parchment paper. Set aside.
Place the flour, sugar, baking powder and salt in the bowl of a stand mixer. Whisk together.
Add the butter and mix on low speed until mixture resembles pea sized crumbs.
Slowly add the heavy cream, vanilla and egg to mixture.
Mix just until the dough forms a thick clump.
Gently fold in the cherries until well distributed.
Turn the dough out onto a well-floured surface.
Pat the dough into an 8 inch round.
Cut into 8 wedges and place on the prepared sheet.
Place in the freezer for 5 minutes.
Remove from freezer and brush tops with the extra heavy cream and sprinkle with some turbinado sugar.
Bake for 18 minutes until golden brown.
Remove from oven and let cool on wire rack.
While scones are cooling, prepare chocolate drizzle. Place white chocolate in microwave safe bowl with Crisco shortening. Microwave on 50% power for 45 seconds. Stir. Repeat until chocolate is soft and shortening is melted. Drizzle over scones.
Scones are best on the day they are made, but will keep in an airtight container for 1-2 days.