Thomas Keller Oreos

Ingredients

• 1 1/2 cups plus 3 Tbsp all purpose flour
• 3/4 cup sugar
• 3/4 cup plus 1 Tbsp unsweetened cocoa powder
• 1/2 tsp baking soda
• 1 1/2 tsp salt
• 15 Tbsp unsalted butter, cut into 3/4" cubes, at room temperature