Preheat oven to.
Place 6 tbs of butter in cast iron and place in oven.
In a large bowl, mix all dry ingredients.
In a separate bowl, mix the rest of the wet ingredients.
Combine the dry and wet ingredients and mix.
Once butter is melted in cast iron, pour in cornbread mixture.
Bake at 350 for 17-22 minutes until golden brown or a toothpick comes out clean.