Heat oven to 375 degrees
Cream together butter, sugars, vanilla and egg until thoroughly mixed.
Add flour mixture 1 cup at a time to creamed butter and sugar mixture. Stir until well combined.
Scoop dough onto parchment lined or lightly spray cookie sheet or baking stone. Sprinkle a pinch of the French sea salt over tops. Bake 11 -12 minutes
Using a 2" cookie scoop will yield 2 1/2 dozen cookies and 1" scoop will yield 5 dozen.