In a small food processor pulse the garlic and the nuts until finely chopped. (biggirlssmallkitchen.com)
To make the crust in food processor pulse flour with sugar and salt, then add cubed chilled butter and pulse until it resembles coarse meal. (drizzledwithflavor.com)
The most difficult part is chopping up the pistachios, but you can skip the cutting board all together and just pulse them in the food processor a few times... although I would much rather wash my knife than the bowl of my food processor (e2bakesbrooklyn.com)