Hi leefamilyof3, Welcome to the web and I know that you'll enjoy it and have a lot of fun and posts. That is a very good question, sometimes us that have cooked for a while, take for granted or forget what we had to learn, sometimes the hard way
. Everyone is correct, you don't rinse them. If you don't have or use the ones that came in a bag to steam in the mic?, Tupperware sells a boul made just for doing that,and it's well worth the investment, exp. if you can pick up one pre-used, like at a garage or yard sale, and I have used it with frozen vegs.