Ive made and ate pastrami all my life including making my own pastrami (article and procedures to do so are located on my blog..) I have never steamed my pastrami, about as close as I have come to doing that is letting it get happy in the old crock pot. Usually just smoke it slice it and serve it.
Peoria Custom Pit 24x72*Treager Texas Style Smoker *Whole Hog Country Smoker*
" You can put all of the sauce on it you want, but you still have to master the art of cooking barbecue"
- Mike Mills-