Combine buttermilk and eggs in a medium mixing bowl; mix well. Add cornmeal, baking powder, salt, and soda; stir well. Stir in 1 tablespoon plus 1 1/2 teaspoons bacon drippings.
Brush cast-iron cornstick pans with remaining bacon drippings; heat in a 425° oven 3 minutes or until very hot. Spoon batter into pans, filling two-thirds full. Bake at 425° for 20 minutes or until golden brown.