Checkerboard Icebox Cookies | America's Test Kitchen

Ingredients

• 16 tablespoons unsalted butter , softened
• 3/4 cup (5 1/4 ounces/149 grams) granulated sugar
• 1/2 cup (2 ounces/57 grams) confectioners' sugar
• 1/2 teaspoon salt
• 2 large egg yolks
• 2 teaspoons vanilla extract
• 2 1/4 cups (11 1/4 ounces/319 grams) all-purpose flour
• 1 ounce (28 grams) semisweet chocolate , melted
• 2 tablespoons Dutch-processed cocoa powder