Finish the following sentence with the best choice: how to clean a cast iron skillet

Choices:
- pour some coarse salt into the pan and use half a potato to rub it in until that mess has broken up and can be rinsed away.
- pour some coarse salt into the pan and use half a baked  potato with sour cream to rub it in until that mess has broken up and can be rinsed away.

Answer:
pour some coarse salt into the pan and use half a potato to rub it in until that mess has broken up and can be rinsed away.