Curried Pumpkin And Ginger Scones

• 10 about (square)
• 2 squares
• 1 stick butter (cold)
• 1 in a separate bowl
• 375 gr king arthur unbleached all-purpose flour
• 240 ml buttermilk
• 120 gr crystallized ginger (chopped)
• 65 gr sugar
• 14 gr baking powder
• 2 gr baking soda