Scones, Chocolate Chip (Boom)

Ingredients

• 2 cups unbleached all-purpose flour
• 1/3 cup sugar 1/3 cup plus 2 tablespoons
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon Salt
• 6 tablespoons chilled unsalted butter (3/4 stick) diced
• 1 teaspoon lemon peel (packed) grated
• 3/4 cup miniature semisweet chocolate chips
• 3/4 cup chilled buttermilk
• 1 large egg yolk
• 1 teaspoon Vanilla extract