For the buttermilk cornbread, grease a 10" cast iron skillet and place on center rack in the oven. Preheat oven to 425°F.

In a large mixing bowl, combine the cornmeal, flour, sugar, baking powder, and salt. In a separate bowl, whisk the eggs, melted butter, and buttermilk. Add the wet ingredients to the dry ingredients and stir until just incorporated.

Pour the batter into the preheated skillet and smooth the top. Bake until cornbread is golden yellow, about 16 to 19 minutes. doesn't overcook or dry out. Immediately remove the cornbread from the skillet and allow to cool.

The cornbread can be made up to 2 days in advance when using for the dressing. Store until needed, then crumble and follow instructions for the dressing.

For the cornbread dressing, preheat oven to 350°F.

Crumble the cornbread into small pieces (makes about 5 cups). Combine the crumbled cornbread and stuffing mix in an extra large mixing bowl (or stock pot) and toss to combine.

Melt 1 stick butter in a large skillet over medium heat. Add the onion and celery and sauté, stirring frequently, until soft and translucent, about 10 to12 minutes. Add the onion and celery to the cornbread mixture.

Melt the remaining stick of butter. In a large mixing bowl, combine the butter, chicken stock, eggs, thyme, parsley, cream of chicken, cream of celery and sage, and whisk to combine. Add to the cornbread mixture and mix until thoroughly incorporated. Season generously with kosher salt and pepper. Pour into a greased 9 x 13 inch casserole dish. Bake, uncovered, until the dressing is set and golden brown, about 45 minutes to 50 minutes.