If you continue to read, though: Instead of using aluminum foil, as many websites recommend, you should put the food into airtight canning jars or food vacuum

If you continue to read, though: Instead of using aluminum foil, as many websites recommend, you should put the food into airtight canning jars or food vacuum bags. Then the hot water doesn't touch the food. So you can add soap to the cycle and really clean your dishes while poaching dinner.