One of the oldest American cocktails, the mint julep originated in Virginia and was popularized in Kentucky. The two states have bickered over the proper way to prepare one for the past 200 years. No matter: It soon became the signature cocktail of the American South.
Baking the cornbread in a preheated cast-iron skillet gives it a crisp brown crust and a moist interior. If you don't have one, in step 2, use an 8-inch square metal baking pan instead of the skillet. When the cornbread is baked, let it cool in pan for 15 minutes, then remove and place right side up on a wire rack.