Cold weather has a way of making comfort food matter more, and these 15 winter-season casseroles are built for moments like that. Get the Recipe: Broccoli Rice Casserole with Fresh BroccoliMexican Chicken CasseroleMexican Chicken Casserole. I’ve been to plenty of casual gatherings where this Mexican Chicken Casserole completely stole the show. Crunchy meets creamy in this Cheesy Ritz Cracker Chicken Casserole, and it’s every bit as comforting as its name promises. There’s something about the way it warms you from the inside out that feels perfect for winter nights.