2 cups flour ½ cup sugar 2 tsp baking powder ½ tsp baking soda ½ tsp salt 2 tsp pumpkin pie spice ¼ cup cold butter, cubed ¾ cup pureed pumpkin 1/4 cup milk 1/2 cup dark chocolate chunks 1/4 cup milk, for spreading on top of scones 1 tbsp raw sugar