- Preheat oven to 400 degrees and grease a 9x13-inch baking dish.
- In a large bowl, whisk together the sour cream, milk, and eggs.
- Whisk in the butter.
- Add the corn muffin mix and sugar and stir in with a wooden spoon. Transfer batter to prepared pan.
- Bake for 25 to 30 minutes or until golden. Serve warm.
Source: https://spicysouthernkitchen.com/the-best-jiffy-cornbread/