1. Preheat oven to 350 degrees F 
2. Place the butter in a 8 inch cast iron skillet and melt until lightly golden in color; turn off the stove and it will continue to turn into brown butter
3. Allow the brown butter to cool completely
4. In a small bowl combine the flour, baking soda and salt; set aside  
5. Once the butter is cooled, pour the butter into a medium mixing bowl and whisk together with the light brown sugar and granulated sugar
6. Whisk the egg and vanilla extract into the butter and sugar mixture and mix until fully combined 
7. Gradually add flour, baking soda, and salt mixture and mix until fully combined
8. Fold the chocolate chips and pecan pieces into the cookie batter 
9. Spread the Brown Butter Chocolate Chip Cookie Dough back into the 8 inch cast iron skillet 
10. Bake for approximately 13-15  minutes or until the top is light golden brown (it keeps baking once it is out of the oven so don’t over bake it!)
11. Allow the Brown Butter Skillet Chocolate Chip Cookie to cool for 5 minutes before serving with ice cream and spoons for all to enjoy!  

*remember the cast iron skillet will be hot so serve with caution