14 Thanksgiving Casseroles You Can Make Ahead of Time

Mushrooms are a rich, meaty addition in this healthy cornbread stuffing recipe. Here we use oyster mushrooms, but you can use any variety you like. If you have time, bake the cornbread a day or two in advance so it has time to dry out a bit, which lets it absorb the flavors more readily.

The cheesy-seedy crust that tops this healthy cauliflower casserole recipe evokes everything bagels. Serve for the holidays or as a hearty side dish with roast chicken.

These scalloped potatoes are surprisingly rich and creamy even though they're made with no dairy (milk, butter or cheese)—vegan comfort food at its best. We use almond milk, herbs and spices to make a flavorful sauce and finish the dish with a crunchy almond topping. This makes a satisfying side dish if you're cooking for dairy-free or vegan diets.

Typical green bean casseroles bathe ingredients in a heavy cream sauce and top them with buttered breadcrumbs or cheese. Our healthier version saves about 160 calories and 12 grams of saturated fat compared to a traditional recipe.

This creamy broccoli-and-cauliflower casserole is a hassle-free side dish that just about everyone loves. Our healthier version skips the heavy cream and butter found in most recipes—saving about 160 calories and 12 grams of saturated fat compared to a traditional version.

Instead of loading up this comfort food side with tons of brown sugar and marshmallows, we have turned to sweet spices, vanilla and inherently sweet dried fruit to enhance the natural sweetness of the sweet potatoes. A topping of pecans and pepitas replaces traditional marshmallow topping to keep it healthy and add texture and color for a beautiful casserole.

If you're looking for a twist on classic scalloped potatoes, this recipe using roasted sweet potatoes and melty Gruyère has all the creaminess of the original with a new flavor twist. The sweet potatoes and lightened sauce—made with flour and low-fat milk—keep it healthier than butter- and cream-laden versions. Don't cut your sweet potatoes too thin—they'll turn mushy under the sauce.

This creamy spinach casserole recipe is a more sophisticated cousin to creamed spinach. It's perfect for weekend entertaining or as a holiday side dish.

This lightened-up take on the classic Thanksgiving sweet potato casserole is spiked with crushed pineapple and toasted pecans. We top it with an airy, slightly sweet meringue. You can pipe the meringue to make it look fancy or simply spread it neatly with a rubber spatula.

Make this creamy carrot-and-parsnip casserole for your next holiday meal—everyone will beg you for the recipe! Our healthier version skips the heavy cream and butter found in most recipes—saving about 160 calories and 12 grams of saturated fat compared to a traditional version.

This amazing wild-rice stuffing recipe is bursting with rustic fall flavors, including rye bread, sausage, apples, dried cherries, pecans and fresh herbs.

A creamy Brussels sprouts casserole is a delightful accompaniment to any holiday meal. Our healthier version skips the heavy cream and butter found in most recipes—saving about 160 calories and 12 grams of saturated fat compared to a traditional version.

These hasselback sweet potatoes are like mini marshmallow-topped sweet potato casseroles drizzled with sage-infused butter. The hasselback technique, slicing the potato but leaving it whole, makes for a tender potato with a crispy top—the best of both worlds.

Fancy up regular mashed potatoes with a layer of mushroom duxelle—a sauté of finely chopped mushrooms and shallots. We omitted the traditional butter in the duxelle and added chard for a nutritional boost. Serve this hearty side in place of mashed potatoes at any holiday feast or enjoy it as a vegetarian main dish.