Cook the pasta according to package directions. Sauté onion and pepper in bacon drippings. Add beef and cook until done. Drain olives and add them along with other ingredients (except cheese and pasta). Mixing well Add the cooked pasta and blend well.
Place into two large greased casserole dishes. Cover with foil and bake at 350* for 30-45 minutes. Top with cheese just before removing from oven and allow cheese to melt.