Preheat oven to 375F.
Combine flour, baking soda, and salt in small bowl. Beat butter, both sugars, and vanilla in large bowl until smooth. Beat in eggs one at a time. Gradually beat in flour mixture, then fold in chocolate chips.
Drop by tablespoons onto ungreased cookie sheet. Sprinkle with kosher salt and bake 9-11 minutes. Remove from oven and allow to cool 2 minutes before transferring to cooling rack to finish cooling.