Bakery Style Blueberry Scones

Bahan-bahan (8 porsi)

• 2 cups all-purpose flour
• 1/2 cup sugar
• 1 tablespoon baking powder (yes, TABLEspoon)
• 1/2 teaspoon salt
• 1 tablespoon grated orange zest
• 1/2 cup cold salted butter, cut into very small cubes
• 1 large egg
• 1/2 cup cold heavy cream
• 1 cup blueberries, fresh
• a few tablespoons of additional heavy cream for brushing the tops
• turbinado sugar for sprinkling the tops