Cranberry Orange Shortbread Cookies

Bahan-bahan (50 porsi)

• 1 cup (2 sticks) unsalted butter
• 1 cup granulated white sugar
• 1 large egg
• ½ teaspoon vanilla extract
• 3 to 3½ cups all purpose flour
• ⅓ cup cornstarch
• ¾ teaspoon kosher salt
• ⅔ cup dried sweetened cranberries, (very finely chopped)
• 1 medium orange, (zested (only the zest is used))