Add 1/4 cup of butter (1/2 stick) to a 10 inch cast iron skillet.
Place skillet into oven and preheat to 400.
Mix together all ingredients in a mixing bowl (except the butter)
When the butter is melted, remove skillet from oven and coat skillet with the melted butter.
Pour remaining butter into mixing bowl with other ingredients and whisk together.
Pour batter into the hot cast iron skillet and bake for 20 min
Check cornbread for doneness, then allow to cool in skillet for 5 to 10 min.
Transfer cornbread to plate (place plate on skillet and flip)
Cut cornbread and serve while it is still warm.
