"This is the actual Macaroni Grill recipe for Carmela's Chicken Rigatoni. At home, I use a combination of olive oil (2 T) and butter (4T) instead of butter flavored oil (less overall as well). In addition, I use Kittencal's recipe for caramelized onions http://www.food.com/recipe/kittencals-caramelized-onions-89007...."