01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - In a large bowl, whisk together all-purpose flour, granulated sugar, baking powder, and salt.
03 - Add cold unsalted butter to dry mixture. Using a pastry cutter or fingertips, blend until the texture resembles coarse crumbs.
04 - Fold in chopped dried cranberries, diced jalapeño, and cubes of cream cheese.
05 - In a separate bowl, whisk cold heavy cream with egg. Pour over flour mixture and stir gently until just combined. Avoid overmixing.
06 - Transfer dough to a floured surface. Pat lightly into a disc approximately 1 inch thick. Slice into 8 wedges and place onto the prepared tray.
07 - Brush tops of wedges with heavy cream. Sprinkle with coarse sugar if desired.
08 - Bake for 16 to 18 minutes, or until scones are golden brown. Let them cool slightly before serving.