Doing Pulled pork, beans and slaw for 50 friends this weekend and would like input on portion size from folks that have been there. Im figuring between 1/3 and 1/2 per portion on the pork at 75 servings since some will eat seconds and some will not. As far as he beans and slaw I am figuring 5oz servings of each for 75 also. Will 3 heads of cabbage do it? Too much? Not enough? Hope some of you will chime in! Thanks!