Preheat oven to 375 and prepare cookie sheets with parchment paper.
In a medium bowl mix flour, baking powder, baking soda and salt.
3 cups flour, 1/2 tsp baking powder, 1 tsp salt, 1 tsp baking soda
In a separate bowl, cream together butters and sugar.
1 cup light brown sugar, 1 cup butter, 1 cup white sugar
Add vanilla to butter and sugar and beat well.
2.5 tsp vanilla
And eggs one at a time, then beat until light and fluffy.
2 eggs
Add the dry ingredients to the wet ingredients a little bit at a time and mix until just combined. Do not overmix.
Dump in the chocolate chips and stir until combined.
2 cup chocolate chips
Use a cookie scoop or tablespoon to drop rounded balls of dough onto pan.
Cook for 8-10 minutes, cookies should look a little underdone when pulled from oven.
Sprinkle finishing salt on top of cookies and let cool on pan for five minutes.