6ouncesunsalted butter, softened(1 ½ sticks or 12 tablespoons)
3ouncesconfectioners' sugar, sifted(¾ cup)
1largeegg, room temperature
Instructions
Sift the flour and cocoa powder together.
Place butter and confectioners' sugar in a mixing bowl. Using the paddle attachment, cream together until well combined and the mixture is smooth and pale (note: a hand mixer may also be used)
Add the egg and mix well.
Add the cocoa powder and flour. Mix until the dough starts to come together (it will appear crumbly).
Empty dough onto a work surface and knead a few times until the dough comes together. Wrap in plastic and refrigerate for 1 hour before using. Note: if making a 'press in crust' the dough may be used immediately.
To roll out the dough: sprinkle work surface with flour and roll dough to desired thickness