Preheat the Oven: Preheat your oven to 400°F (200°C). Line a baking sheet with parchment paper.
Mix Dry Ingredients: In a large mixing bowl, whisk together the flour, sugar, baking powder, baking soda, cinnamon, nutmeg, ginger, and salt until well combined.
Cut in the Butter: Add the cold cubed butter to the dry ingredients. Using a pastry cutter or your fingers, work the butter into the flour mixture until it resembles coarse crumbs.
Combine Wet Ingredients: In a separate bowl, whisk together the pumpkin puree, heavy cream, egg, and vanilla extract until smooth.
Mix Wet and Dry Ingredients: Pour the pumpkin mixture into the flour mixture and gently stir until just combined. Be careful not to overmix; the dough should be slightly sticky but manageable.
Shape the Scones: Turn the dough out onto a floured surface and gently pat it into a circle about 1-inch thick. Cut the dough into wedges or use a biscuit cutter to create round scones.
Bake: Place the scones on the prepared baking sheet, spacing them about 2 inches apart. Bake in the preheated oven for 15-20 minutes, or until the scones are golden brown and a toothpick inserted into the center comes out clean.
Cool: Remove the scones from the oven and let them cool on the baking sheet for about 5 minutes before transferring them to a wire rack to cool completely.
Prepare the Glaze (optional): While the scones are cooling, whisk together the powdered sugar, milk, and vanilla extract in a small bowl until smooth. Drizzle the glaze over the cooled scones for added sweetness.