Preheat oven to 325 degrees.  Line two baking sheets with parchment paper.

In stand mixer cream together butter and sugar until fluffy.  Add in salt, cornstarch, vanilla and flour.  Beat well.  On low speed, stir in chocolate chips until combined.

Scoop a tablespoon of dough and roll into a ball with hands.  Place cookie dough ball on baking sheet and press top lightly with a fork.  Alternatively, you can scoop out a tablespoon of dough with your spoon and place on baking tray for a less uniformed look.

Bake for 15-20 minutes, until lightly browned on top.  Do not overcook.  The cookies should look white.  Cool on pan for 5 minutes, then move to wire rack for further cooling.  Enjoy!