Mise en place. Preheat oven to 400°. Place cast iron skillet in oven to pre-heat.
Cream together 2/3 cup butter and sugar (if using stand mixer, do this in the mixer bowl).
In another bowl, beat together eggs and milk.
In a third bowl, combine flour, corn meal, baking powder, and salt.
Alternating, pour 1/4 of milk mixture, then 1/4 of flour mixture into butter/sugar mixture until everything is combined.
Remove hot cast iron skillet from oven. Drop in 2 Tbsp. bacon grease and swirl around, rub up sides.
Pour in cornbread mixture.
Place in oven; bake approximately 20 minutes or until toothpick comes out clean.
Notes
If you don’t have a cast iron skillet (sad face), grease a 9 x 13 pan (don’t preheat it in oven), and bake 20-25 minutes or until toothpick comes out clean.