01 - Evenly press the cookie dough into the base of a cast-iron skillet.
02 - Sprinkle semisweet chocolate chips evenly over the surface of the dough.
03 - Place skillet in a preheated oven at 350°F (180°C) and bake for 20 minutes or until the cookie is golden brown and set at the edges.
04 - Remove skillet from oven and allow cookie to cool slightly. Serve directly from skillet while warm.