Preheat the oven to 375 degrees.

In a medium size bowl combine the melted butter with sugar beat in eggs until blended.

Add in baking soda and then slowly pour in buttermilk while you stir.

Add in cornmeal, flour and salt and stir until combined. Pour batter into cast iron skillet.

Bake in the 375 degree oven for about 20 minutes or till top starts to brown.