Pre-heat the oven to 350 degrees if using a metal pan and 325 degrees if using a glass or ceramic pan. Grease a 9x13" pan
Combine flour, salt and baking soda in a medium bowl. Set aside
Beat butter, brown sugar, granulated sugar, vanilla and eggs until combined.
Slowly add flour mixture into wet ingredients until just combined.
Fold in chocolate chips.
Spread dough into the pan in an even layer.
Bake for 18-22 minutes at 350 degrees if using a metal pan and 30-38 minutes if using a glass or ceramic pan, until the top is golden brown.
Sprinkle with flaked salt.
Let cool completely before slicing.