Spiral Shortbread Cookies Recipe - Food.com

Ingredients

• 1/2 vanilla bean
• 3/4 cup unsalted butter, cold and cubed plus
• 2 tablespoons unsalted butter, cold and cubed
• 1 cup powdered sugar, plus
• 1 1/2 tablespoons powdered sugar
• 4 large egg yolks
• 1/2 orange, zest of, grated
• 1 pinch baking powder
• 1 pinch salt
• 2 cups all-purpose flour
• 1 2/3 cups all-purpose flour
• 1/2 cup cocoa powder