This is the best method for stainless steel sink cleaning! Simple 3-step process with amazing results and all using ingredients found around your home. This is How To Clean Stainless Steel Sinks including removing rust!
How to clean your cast iron pan from Bon Appetit. It still grosses me out a bit that you're not supposed to clean these babies with soap and water, but that's how they're built to work! I make flan in mine and it turns out so much better than in any other pan I've used.