They need to be dried right after washing and here are other ideas
You need to season your cast iron pans with vegetable oil Shelley! Here's how to do it:
Don't let water sit in the pans.you have to set them completely after washing or rinsing. Re-cure them in oven with oil then completely dry after wash or rinse.
Hi Shelley - This is a great tutorial on how to clean, season, and care for cast iron skillets. Hope it helps! Hugs, Holly
PS - We have a FREE eBook with recipes for all of my homemade and all-natural cleaners. You can download it here --> https://pinkfortitude.com/thank#GreenClean