1 3/4 c all-purpose flour
1/2 tsp baking soda
14 tbsp unsalted butter (1 3/4 sticks)
1/2 c white sugar
3/4 c packed brown sugar
1 tsp salt
2 tsp vanilla
1 large egg
1 large egg yolk
1 1/4 c chocolate chips
Preheat oven to 375. Sift or whisk together the flour and baking soda in a medium bowl.
Put 10 tbsp of the butter in a medium skillet set over medium high heat. Allow the butter to melt for 2 minutes and begin to swirl it around the pan, allowing it to brown. Make sure to keep moving the butter. You don't want it to burn! Swirl for another 3 minutes until the butter is brown and smells nutty. Remove the pan from heat and pour into a mixing bowl. Add the remaining 4 tbsp of cold butter and stir until melted.
Add the white sugar, brown sugar, vanilla and salt to the butter and whisk the ingredients together. Add the egg and egg yolk and whisk again until mixture is smooth. Allow the batter to rest for 3 minutes, then whisk for 30 seconds more. If your arm is hurting, you're doing it right!
Add the flour mixture and stir until just combined. Gently stir in chocolate chips.
Form each cookie with roughly 3 tbsp of dough. Place cookies 2 inches apart on the prepared baking sheets and bake one tray at a time, 10 to 14 minutes. Rotate baking sheet after 5 minutes and check the cookies at 10. The cookies should be golden brown at the edges but still puffy in the middle.
Allow to cool on the pan for 1 to 2 minutes, then transfer to a wire rack to cool completely. Then enjoy--preferably with your favorite tv show!