These cozy casseroles feature a colorful mix of vegetables. They're comfort food, for sure, but they're also a great way to get your family to eat—and enjoy—a variety of produce, from broccoli and winter squash to asparagus and more. Some can be dinner, but all make stellar sides; some lean healthy, while others are rich with plenty of cheese and cream. Best of all, many of these vegetable casserole recipes can be prepped ahead and baked when you need them—a boon for the time-pressed cook.
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Cheesy Spinach-Potato Egg Casserole
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Here's a one-dish meal that's vegetarian and gluten-free and also always a winner. It's special enough for company, but also easy enough for a weeknight. Prep it the night before and bake it when you get home from work.
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Eggplant Meatball Casserole
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It's hearty, vegetarian, and light on dairy (for a comforting casserole, that is)—and the "meatballs" are made with eggplant (they're just divine).
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Honeynut Squash, Leek, and Brie Gratin
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Layers of sliced honeynut squash, leeks, and lasagna noodles melt into a luscious vegetarian gratin. Make it dinner with a crisp green salad and your favorite vinaigrette. (This recipe serves two but can easily be doubled for when you're not dining à deux.)
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Tian Provencal with Polenta
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This meal-in-one casserole uses polenta as its base and is topped with layers of thinly sliced tomato, eggplant, zucchini, and nutty Gruyere cheese.
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Mushroom and Celery-Root Bread Pudding
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Bread pudding goes savory with ultra-delicious results thanks to the winning combination of celery root, wild mushrooms, fresh thyme, and blue cheese.
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Tomato Cobbler
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Gruyère biscuits sit atop juicy cherry tomatoes amped up with red-pepper flakes, onions, and garlic in this savory side dish.
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Green Bean Casserole with Bacon
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Try this recipe for a fresh take on green bean casserole. It uses fresh green beans and cremini mushrooms, not frozen beans and canned soup. We also add in bacon and cook crispy shallots for the topping.
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Butternut-Squash and Kale Gratin
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Kale and butternut squash are a surprisingly delectable pairing, especially when combined with Parmesan cheese, fresh sage, and panko breadcrumbs.
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Asparagus Casserole
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Sometimes more is more, and that's definitely the case with this decadent casserole. Béchamel sauce, blanched asparagus, bacon, and hard-boiled eggs are arranged into layers then topped with buttery cracker crumbs and Gruyere cheese.
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Creamed-Spinach Gratin
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Our take on a favorite steakhouse side features Gruyère cheese and a touch of Dijon mustard, which gives the decadent dish a spicy bite.
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Twice-Cooked Potato-and-Leek Casserole
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Never choose between mashed potatoes and sweet potatoes again! Just make this irresistible side dish, which boasts layer of both, plus a crispy fried leek topping.
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Easy Cauliflower Gratin
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You can't go wrong with tender cauliflower, a rich cheese sauce, and golden-brown bread crumbs. This comforting casserole goes well with roasted meats.
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Eggplant Involtini with Fresh Tomato Sauce
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This vegetable casserole is also a one-pan dinner. Tender slices of eggplant are rolled around a filling of mozzarella, ricotta, feta, pine nuts, and currants, then baked in a fresh tomato sauce.
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Autumn Tian
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Time to show off those knife skills! Even slices of beets, potatoes, and tomatoes are the key to this colorful side dish.
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Mushroom and Black Bean Tortilla Casserole
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A half hour is all you need to put together this deconstructed version of cheesy enchiladas.
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Turnip and Sweet Potato Gratin
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Nutritional powerhouses turnips and sweet potatoes take center stage in this satisfying side.
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Tomato-Onion Casserole
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This simple, yet spectacular side dish that alternates red onion and tomato slices for impact. Roasting vegetables at a high temperature, which this recipe calls for, brings their natural sweetness to the forefront and allows them to caramelize.
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Stuffed Poblanos
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Protein-packed black beans are the filling for this Tex-Mex-inspired vegetarian bake.
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Three-Pepper Corn Casserole
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Much of the corn gets blended in this recipe, yielding a creamy side that closely resembles a spoonbread.
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Baked Tomato Casserole
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Sweet tomatoes and fragrant basil transform leftover mac and cheese into a craveable dish.
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Leek, Potato, and Morel Gratin
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Rich and indulgent, this creamy side dish is the ideal showcase for earthy morel mushrooms.
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Hatch Chile Corn Pudding
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Rich, but light, this sunshine-yellow casserole is made with puréed frozen corn and canned hatch chiles, eggs, and cream. Monteray Jack cheese is the finishing touch.
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Green Bean and Artichoke Casserole
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Canned artichoke hearts add flavor and fiber to this quick and easy update on the Thanksgiving favorite.
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Eggplant Parmigiana with Homemade Marinara Sauce
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The trick to this Italian-American classic? Frying the breaded eggplant quickly over high heat and making the marinara sauce from scratch.
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Butternut Squash and Sage Lasagna
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Consider this wintertime lasagna a whiteout of the standard red-sauced version. Seasonal butternut squash replaces tomato as the anchor in this casserole.
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Zucchini and Yellow Squash Gratin
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Summer squash are transformed into comfort food in this quick-cooking casserole.
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Broccoli Casserole
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Classic broccoli casserole gets a flavor kick from tangy sour cream and Gouda cheese. Cremini mushrooms and Worcestershire sauce up the umami factor.
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Broccoli and Pasta Casseroles
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This pasta bake is a more healthful twist on mac and cheese, complete with a lightened-up béchamel sauce, whole-wheat pasta, and a generous serving of vegetables.
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Rutabaga Gratin
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This vegan casserole lets an underrated root vegetable shine. The cashew cream sauce is so delicious that no one will miss the traditional dairy version.
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Winter-Vegetable-and-Gouda Gratin
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This cheesy winter casserole is packed with colorful seasonal produce. Sweet potatoes, cauliflower, and greens are parboiled, then layered in a baking dish, along with grated Gouda, and baked in a shallot-scented broth.
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