bison blog(my favorite crabby "multiple divorce" hermit)...http://bisonsurvivalblog.blogspot.com/2007/09/thermal-cooking-2.html the trick to thermos cooking; good info in the comments too. also:http://thermalcooker.wordpress.com/category/thermal-cookers/haybox/
I fell prey to the error in kurt Saxons instructions (re: "thermos cooking") I did the dump in rice and boiling water sea lit up. nextmorning I had athermos fullof swollen undercooked rice for the trash( guess I could a boiled it.)..Iam eager to try this technique...