I think I found the chocolate chip cookie recipe of all chocolate chip cookie recipes. It is a copycat of the Levain bakery cookie recipe.

Levain Bakery Walnut Chocolate Chip Copycat Cookie Recipe
2 sticks butter – cold and cut into cubes
3/4 cup granulated sugar
3/4 cups light brown sugar
2 eggs
1 tsp vanilla
3 cups flour (you may need slightly less or more)
3/4 tsp salt (I prefer sea salt)
2 tsp cornstarch
1 tsp baking powder
1/4 tsp baking soda
2 cups chocolate chips – I used one cup regular semi-sweet chips and one cup mini chips
1 1/2 cups walnuts or pecans
Directions
1. Preheat oven to 375 degrees F
2. In a large bowl/mixer bowl, cream together cubed butter and sugars until well blended and fluffy.
3. Add eggs, one at a time, until well mixed.
4. Add vanilla
5. Add flour, salt, cornstarch, baking powder, baking soda & salt to butter, sugar and egg mixture until just combined. This should be a very thick mixture, and not sticky. If your dough is still sticky, try adding more flour, 1/8-1/4 cup at a time.
6. Add in chocolate chips and nuts.
7. Combine the dough and chocolate chips. My dough was so thick that I had to do this by hand, a bit like kneading bread.
8. Divide into portions to bake 12 large cookies and place on parchment papered cookie sheet.
9. Put into the oven to bake until cookies begin to brown. Start checking at about 15 minute mark.
10. Let cool and remove from pan.