1Grab a big bowl and add 241g cake flour, 241g bread flour, 1 1/4 tsp baking soda, 1 1/2 tsp baking powder, and 1 1/2 tsp salt. Whisk together and set aside.
2Cream together 2 1/2 sticks of butter, 284g light brown sugar, and 227g granulated sugar for about 5 minutes.
3Add 2 eggs and mix again until everything is combined.
4Measure out 2 tsp of vanilla and mix again.
5Slowly add the dry ingredients and mix at low speed. Do not overmix.
6Add 566g of bittersweet chocolate.
7Measure out 3 1/2 oz per cookie and put them in an airtight container to chill for at least 24 hours. Do not skip this step.
8Sprinkle sea salt on top before putting in the oven.