01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - In a large bowl, whisk together flour, sugar, baking powder, and salt until well blended.
03 - Add cold cubed butter to the flour mixture. Cut in using a pastry blender or fingertips until mixture resembles coarse crumbs.
04 - In a separate bowl, whisk together heavy cream, egg, and vanilla extract until combined.
05 - Pour the wet mixture over the flour mixture. Stir gently until just combined. Do not overmix.
06 - Gently fold in raspberries and white chocolate chips, being careful not to crush the berries.
07 - Turn dough onto a lightly floured surface. Shape into a 7-inch round, about 1-inch thick.
08 - Cut round into 8 wedges. Place on prepared baking sheet, spacing apart.
09 - Brush tops with extra heavy cream and sprinkle with coarse sugar if desired.
10 - Bake for 16-18 minutes until golden brown. Cool slightly before serving.