Place your 12-inch cast iron in the cold oven. If using a baking dish or muffin tin, skip this step. Preheat your oven to 375 degrees F.
Add softened butter and sugar to the bowl of a stand mixer with a paddle attachment. Cream together on medium speed, about 2-3 minutes.This can also be done with a hand-mixer. 113 grams salted butter, softened, 200 grams sugar
One at a time, add the eggs. Continue to mix on medium speed until the egg mixture is light and fluffy with a pale yellow color, about 3 minutes.
2 eggs
Combine cornmeal with the egg mixture and mix thoroughly.
175 grams white or yellow cornmeal
In a medium bowl, sift the flour and baking powder together.
140 grams all-purpose flour, sifted, 6 grams baking powder
In a liquid measuring cup, mix together the milk and sourdough discard until combined. Alternated between adding dry and wet ingredients to the bowl. Continue to mix until all of the ingredients have been just incorporated.Avoid over mixing your batter, as this can lead to a tough crumb. Stop mixing once the flour has just been incorporated. 240 grams milk, 280 grams sourdough discard
Long Fermentation – If you prefer to long-ferment the batter, cover the mixing bowl and place it in the fridge overnight. Pull the batter out of the fridge about 30 minutes before baking to come to room temperature.
Carefully remove the hot skillet from the oven and pour the sourdough cornbread batter into the hot skillet, greased square baking dish, or lined muffin tins.
Bake for 30-35 minutes or until a toothpick comes out with a few cornmeal bits.Bake time is 18-20 minutes for muffins. Carefully remove the hot skillet and place on a wire rack for 10 minutes before slicing into the fresh hot cornbread. Serve warm with butter and honey, enjoy!