go ahead and put your oven on 350 °. boil those noodles. while they are boiling go aheadand mix up the cream cheese, sour cream and cottage cheese. make sure that it is mixed up very well. then go ahead and cook the meat. then pour spaghetti sauce over it. take a few slices of your butter and put them into the bottom. of casserole dish, then layer half of the noodles in the bottom of dish. pour that nicely mixed up creamy mixture on top of the noodles. spreadand then add rest of noodles and put a few slices of butter on top. now poursauce and spread. then place in oven for 30 minutes. take out dish and pour some chedder cheese on the top and put in oven for 15 minutes.