Icebox Butter Cookies

By barbaran

Ingredients

• 3 cups (spooned and leveled) all-purpose flour
• 1 cup confectioners' sugar
• 1 cup (2 sticks) cold unsalted butter, cut in pieces
• 1/2 teaspoon salt
• 4 large egg yolks
• 1 teaspoon vanilla extract
• Egg wash, (optional): 1 large egg white, beaten with 2 teaspoons water
• Decorating sugar and sprinkles, (optional)

Preparation

Step 1

•Place flour, sugar, butter, and salt in the bowl of a food processor; process until mixture is the texture of coarse meal.
•In a small bowl, lightly beat egg yolks and vanilla; with motor running, add to food processor. Process just until a dough forms