Preparation

1. In a small bowl, sift together flour, cornstarch, and salt. Set aside.
2. In a large bowl, beat together butter and sugar until light. Add in vanilla and mix to combine.
3. Slowly add the flour mixture to the wet ingredients and mix until just combined.
4. Divide the dough in two equal balls and roll each into a 1 ½ inch log. Seal tightly with plastic wrap and chill for 1 hour.
5. After 1 hour, line a baking sheet with parchment paper. Slice the dough logs into ½ inch rounds and place on the baking sheet. Return the sliced cookies to the refrigerator for 45-60 minutes.
6. Preheat oven to 350 degrees then bake cookies for 9-11 minutes or until just beginning to brown.
7. Allow cookies to cool completely then dust with additional powdered sugar.