Combine cornmeal, soda, and salt; stir in eggs and buttermilk.
Heat bacon drippings in a 10- inch cast-iron skillet in a 400° oven for 3 minutes or until very hot. Coat skillet well with drippings. Pour any excess melted drippings into batter, and mix well.
Pour batter into hot skillet, and bake at 450° for 20 minutes or until bread is golden brown.