Preheat your oven to 350°F. Pour the melted butter into a 9x13 cake pan or a large cast iron skillet (at least 2 inches deep). Sprinkle the brown sugar evenly over the butter.

Jay and Heather Mallinckrodt used a century-old family cake recipe to test the prototype for a skillet that can also be handed down through the generations. Fredericksburg Cast Iron’s ten-and-a ...