Lemon Ginger Scones

INGREDIENTS

• 2 cups all-purpose flour
• 1/4 cup granulated sugar
• 1 teaspoon baking powder
• 1/4 teaspoon baking soda
• 1/4 teaspoon salt
• 1/2 cup unsalted butter, cold and cut into pieces
• 1/2 cup crystallized ginger, chopped into small pieces
• 1 large lemon, zest of
• 2/3 cup buttermilk
• 1 large egg, lightly beaten
• 1 tablespoon milk