Method
Step 1
In a large bowl, whisk together the sugars, salt, and butter until a paste forms.
Sift in the flour and baking soda, then fold the mixture with a spatula.
Step 2
Fold in the chocolate chunks, then chill the dough for at least 30 minutes.
Preheat oven to 350°F (180°C). Line a baking sheet with parchment paper.