Sausage meat can be used in place of the ground beef, and any small pasta can be substituted for the macaroni. If you like more chili flavor then add in a couple tablespoons of chili powder. I have even added in some red kidney beans and sliced green olives to this casserole, but that is optional. This casserole can be completely prepared up to 24 hours in advance, cover the casserole dish tightly with plastic wrap, then refrigerate until ready to bake, increase the cooking time slightly. For taco seasoning see recipe #76616.