Using stone-ground cornmeal will result in a more soufflé-like texture.
Preheat the oven to 375°F.
Whisk together in a large bowl:
Stir in until well blended:
Melt in an 8-inch square baking dish in the oven:
Swirl the butter in the dish to coat the inside, then pour the butter into the batter and stir to combine. Pour the batter into the hot dish, then pour over the top:
Bake until good and crusty on top, about 45 minutes.