This incredibly delicious casserole has lots of flavors in it that meld together and create one amazing side dish. If you’re looking for a way to use brussels sprouts other than boiling or roasting them, this is it. Cheesy Bacon Brussels Sprouts Casserole is made with two cheeses, Parmesan and Cheddar. The sauce is made with half and half. And then there’s the bacon! Cheesy Bacon Brussels Sprouts Casserole… This cheesy, creamy, bacon laden brussels sprouts casserole is a great out of the ordinary side dish perfect for family and holiday dinners, ENJOY!