Line two cookie sheets with parchment paper or silicone mats. Set aside.
In a stand mixer, cream the granulated sugar, brown sugar, butter, eggs, and vanilla. Mix until smooth and creamy. Scrape down the sides and bottom of the bowl as needed.
Next, add the salt, baking soda, and 1 cup of flour. Slowly mix until combined. Scrape down the sides of the bowl, add another cup of flour, and slowly mix the dough until combined. Repeat this process until you have added all 6 cups of flour. The batter will be stiff.
Fold in the chocolate chips and walnuts.
Using a cookie scoop, place dough two inches apart on one cookie sheet. Bake for 8-12 minutes at 375 degrees. (Prepare the second cookie sheet with dough, so it's ready to be placed in the oven when the first one comes out.)
Allow cookies to cool on the cookie sheet for a couple of minutes before transferring them to a cooling rack.
Enjoy!
Recipe by Real Life Dinner at https://reallifedinner.com/mrs-fields-chocolate-chip-cookie-recipe/