Place the sugar and salt in the bowl of a food processor, and process on high until the mixture is milled to a powder (about 1 minute).
Step 2
Pulse in the butter and vanilla. Pulse in the flour until the mixture begins to clump up.
Step 3
Wrap the dough tightly in plastic wrap and chill in the refrigerator for at least 30 minutes.
Step 4
Unwrap the dough, trim off any uneven edges, and cut into 3-inch long by 1-inch wide bars.
Step 5
Dock the cookies with a toothpick and place them on a parchment-lined baking sheet. Sprinkle them with additional sugar, and chill in the refrigerator for another 30 minutes.
Step 6
Preheat the oven to 350 degrees F. Bake the cookies for 20 to 25 minutes, or until just barely beginning to turn golden around the edges.
When I find myself with a few free moments, I head straight for my kitchen! I'm a former pastry chef who still loves to bake, & to share how easy and fun baking from scratch can be!