Combine the flour, baking soda, and kosher salt in another bowl.
Slowly add the flour mixture.
Mix until just combined. (don’t overwork)
With a spatula, fold in the chocolate chips.
Cookie Skillet:
In a greased 8 inch cast iron skillet press in the cookie dough evenly. Smooth over with a rubber spatula.
Regular Cookies:
scoop individual dough balls onto a lined cookie sheet then sprinkle each cookie with the flake salt.
Cookie Skillet: Bake 26-30 minutes or until dough is golden brown. The inside will be slightly gooey. Cook longer if preferred, just cover with foil to prevent burnt edges.
Regular Cookies: Bake 10-12 minutes.
Let cool and sprinkle with the fleur de sel or flaky sea salt. Wonderful served with vanilla ice-cream. ENJOY!