Preheat the oven to 350°F.
Place in a large bowl:
Pour over:
Mix well, and cool slightly. Beat well in a medium bowl:
Add the buttermilk mixture to the cornmeal mixture and mix well. Heat a greased 8-inch square baking dish in the oven until hot. Pour in the batter and bake until lightly puffed and set, 30 to 40 minutes. If you wish to keep the top soft, add from time to time, while the bread is baking, a few tablespoons of milk, using in all:
If you opt for adding the milk or half-and-half, it will take the spoon bread longer to bake, about 1 hour.