Preheat oven to 350°F (175°C).
In a mixing bowl, cream together the butter, brown sugar, and granulated sugar until smooth.
Beat in the vanilla extract and eggs until well combined.
In a separate bowl, whisk together the flour, baking soda, and salt.
Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
Stir in the chocolate chips.
Spread the dough evenly into a greased baking pan.
Bake for 25 minutes or until golden brown.
Allow to cool before cutting into bars.