Mix together butter, both sugars, and eggs until well blended and fluffy. Stir in vanilla, salt, and baking soda. Add flour. Mix until combined, then fold in the chocolate chips.

Prepare a 9x13 pan with cooking spray. Spread batter evenly. Bake at 350° for 25-30 minutes.

Note: This recipe makes 24 cookie bar squares. Or if you have extra time on your hands, feel free to scoop out dozens of individual cookies! Bake 10 minutes at 350° for those.