Sure, the turkey gets all the attention. But Thanksgiving dinner would be nothing without the sides, namely holiday casseroles. These handy, make ahead-friendly recipes typically come together in a single baking dish, making them a hostess's BFF before the big feast. That's why I've rounded up the 45 best Thanksgiving casserole recipes to have in your back pocket this holiday, both classic and unconventional.

Some of my favorites include marshmallow-topped Southern sweet potato casserole, mac and cheese with crispy Parmesan-phyllo crust and broccoli and cauliflower gratin. Bonus? Many of them can be assembled and frozen ahead or cooked and reheated, so you have one less thing to think about on the big day. Need an alternative Thanksgiving Meal?

30 Easy Casseroles You Should Always Have in Your Back Pocket