Preheat oven to 350 degrees F (175 degrees C), and lightly grease a 9x9 inch baking dish.

In a medium bowl, combine butter, eggs, corn bread mix, whole and creamed corn and sour cream. Spoon mixture into prepared dish. Top with crumbled bacon if using

Bake for 45 minutes in the preheated oven, or until the top is golden brown.