Chocolate Sugar Dough

• 1 1/2 cups sifted cake flour
• 3/4 cup unsweetened cocoa powder
• 1/2 teaspoon kosher salt
• 3/4 cup (1 1/2 sticks) cold unsalted butter
• 1 cup sugar
• 1 large egg
• 1 tablespoon rum
• 1 tablespoon brewed espresso or coffee
• 1 teaspoon vanilla extract

1. Sift together the cake flour, cocoa powder, and salt into a medium bowl, and stir with a whisk.
2. Set aside.
3. In the bowl of an electric mixer fitted with the paddle attachment, cream the butter at low speed for about 2 minutes, or until it is soft and fluffy.
4. Slowly beat in the sugar.
5. Add the egg and mix on low.
6. Turn off the mixer and slowly add half of the dry ingredients, and continue mixing on low until incorporated.
7. Add the other half, then the rum, coffee, and vanilla and mix until smooth.
8. Remove the dough and form it into a disk, then cover it with plastic wrap or put it in a sealable plastic bag.
9. Chill it for at least 30 minutes.
10. With a rolling pin, flatten the dough between two layers of parchment paper.
11. Sprinkle the dough with a little flour if it is sticking to the parchment paper.
12. Roll it into a disk about 1/2 inch thick and store in the refrigerator until ready to use.

cake flour, cocoa, kosher salt, cold unsalted butter, sugar, egg, rum, espresso, vanilla

Taken from www.epicurious.com/recipes/food/views/chocolate-sugar-dough-375822 (may not work)