Our version has all the same elements and flavors of the Costco ravioli lasagna except that it is meatless and you can customize it by choosing your favorite ravioli. The biggest difference is that Costco ravioli lasagna is made with a beef & pork bolognese sauce that makes it extra savory, but you easily add those to the recipe by browning up some ground meat to add to your sauce for a solid copycat recipe.