Ingredients:
- 1 cup (2 sticks) butter, melted and cooled
- 1 1/2 cups granulated white sugar
- 1/2 cup dark brown sugar, packed
- 4 large eggs
- 1 tablespoon pure vanilla extract
- 1 cup all-purpose flour
- 1 cup Dutch-processed or unsweetened cocoa powder
- 1 teaspoon kosher salt
- 1 1/4 cups chocolate chips, divided
