|unsalted butter, coldt|
Food Processor Method Cut the butter into ½ inch cubes and refrigerate until ready to use.
In a medium bowl, sift together the flour, cocoa, and salt.
In a food processor, pulse the cold butter cubes and powdered sugar until the sugar disappears. Add the flour mixture and pulse until the butter is no larger than small peas.
Add the egg to the mixture and pulse jus