New method for the water bowl

Instead of adding water to the bowl I'm adding a clay saucer on the
top to catch the dripping from the meat. If I allow the drippings
straight into the waterbowl without any water all the drippings would
burn by the heat underneath the bowl. With the clay saucer I'll have
enough space between the hot bowl and the saucer. The aluminum foil is
just to make the clean up much easier.