2 cups cornmeal (stone ground if available)
1 cup Masa Harina (Mexican-style corn flour used for tortillas)
3 eggs, beaten
2 cups buttermilk (or 2 cups milk, plus 2 tablespoons vinegar)
1 teaspoon salt
1 tablespoon baking powder
1 teaspoon soda
1/3 cup corn oil
1 tablespoon sugar
2 tablespoons butter
Mix together eggs and milk in a medium-sized mixing bowl. In a separate bowl, combine dry ingredients and cut in oil with a pastry blender, stir into egg mixture. Put butter in a 10 inch cast iron skillet and heat in oven. Pour batter into hot skillet (Batter should sizzle).
Bake at 425F degrees for 30 minutes turn and bake 20 minutes more or until done.