Granny Leona's Cast Iron Cornbread

Ingredients (9)

• 3 cups cornmeal, fine works best
• 1 1/2 cups all-purpose flour
• 1/4 cup wheat germ (opt.)
• 3/4 teaspoon baking soda
• 2 teaspoons baking powder
• 1/2 teaspoon salt
• 3 large eggs
• 2 1/4 cups buttermilk, might need a bit more
• 1/4 cup olive oil