Three Cheese Cauliflower Casserole

This Three Cheese Cauliflower Casserole is a cheesy cauliflower casserole that tweaks the traditional recipe. This side dish is chock-full of tender cauliflower and three different cheeses, including Swiss, Cheddar and Blue cheeses. A creamy sauce envelops this delicious cauliflower cheese casserole in subtle touches of milk, butter and shallots. It is then made more substantial and tasty with savory bacon and a crunchy breadcrumb topping. This is a casserole that is updated and made better by a few delectable ingredients.