Preheat oven to 350°. Grease a 10 inch oven safe skillet with butter.

In a large bowl, whisk the flour with the baking soda and salt. Set aside.

In another large bowl, mix the butter with brown sugar until well combined. Add eggs one at a time, mixing until well combined before adding the next egg

Add the dry ingredients to the wet ingredients and mix until just combined. Fold in the chocolate chips.

Press the dough into the related skillet and bake until golden brown 30-40 minutes. Let cool 15 minutes before cutting and serving.