Preheat oven to 350. Boil the noodles. Mix together the cream cheese, sour cream and cottage cheese in a mixer to thoroughly mixed together. Set aside. If you have chosen to use the bell pepper or onion saute them for 3 minuted then toss in the hamburger meat. Brown hamburger meat in a skillet and drain. Add spaghetti sauce and mix together. Put a few slices of butter in bottom of a 9×13 casserole dish. Then layer half of the noodles in the bottom of the dish. Spread the cheese mixture over this layer. Then add the rest of the noodles on top of this with a few pats of butter. Now pour the red sauce and meat on top and spread. Bake for 30 minutes. Remove from oven and spread cheese on top and return to oven for another 15 minutes or until cheese is melted and bubbly.