Southern Cornbread Made Crispy in Cast Iron - Yummy Gusto

Ingredients

• 1 tablespoon bacon grease
• 2 cups white cornmeal (yellow is a fine backup)
• 1 teaspoon salt
• 6 tablespoons unsalted butter, melted
• 1 1/4 cups buttermilk
• 1 large egg (totally optional but helps bind)
• 1 teaspoon baking soda
• 1 tablespoon sugar (optional for a little sweetness)