Preheat oven to 350 degrees and line cookie sheets with parchment paper.
Cream butter, brown sugar, sugar, vanilla, and eggs until creamy. Next add in salt, baking soda, and flour; mix well. Fold in the chips.
Bake at 350 degrees for 10-12 minutes. Do not overcook.
I use parchment paper to make sure they don't stick. This recipe is very touchy. Follow it exactly. This is hard work for your mixer. I even had a hard time using a KitchedAid getting it all to fit. Probably would stick with a huge bowl and hand mixer. Makes 6 dozen.