Strawberry Buttermilk Scones

Bahan-bahan (8 porsi)

• 2½ cups all purpose flour
• 2 teaspoons baking powder
• 1 teaspoon baking soda
• 1/2 teaspoon fine sea salt
• 1/4 cup granulated white sugar
• 1/2 cup (1 stick) cold unsalted butter, (cut into tablespoons)
• 1 large egg
• 1/2 cup buttermilk
• 1 cup hulled and diced fresh strawberries
• milk or cream, (for brushing)
• Turbinado sugar or large crystal sugar, (for sprinkling)