21 Casserole Side Dishes That Are Packed with Veggies

This cheesy, creamy broccoli and cauliflower casserole carries the perfect amount of sauce to enhance the flavors of the veggies without covering them up. A crunchy, buttery topping adds texture to this easy casserole that will be loved by children and adults alike.

A summertime favorite--zucchini casserole--gets an Italian spin in this delicious and healthy side dish with tomatoes, mozzarella and basil. You can use zucchini or summer squash in this caprese-style casserole, or a combination of the two. A sprinkling of fresh basil and a drizzle of balsamic vinegar just before serving brightens up the flavors. Serve with grilled or roasted chicken and some quinoa, rice or couscous to soak up the juices from the casserole for a satisfying and easy dinner.

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.

Caramelized onions are a sweet and savory addition to this healthy stuffing recipe. Choose an apple that becomes tender yet holds its shape when cooked--try Jonagold or Cortland.

This creamy broccoli and mushroom casserole is as comforting as it gets. A cheesy sauce filled with mushrooms coats tender-crisp broccoli, and a panko breadcrumb topping adds a crispy finish. Serve this crowd-pleasing side with roasted chicken, pork or steak.

Blanching the asparagus before assembling this casserole helps to maintain its vibrant green color. Feel free to skip that step if you're crunched for time, but the vegetables will be more army green.

This acorn squash casserole is smooth and creamy. The Parmesan cheese gives it the perfect amount of savoriness, while the breadcrumbs add an herby crunch. This easy casserole would be great with any fall meal, and is sure to become a new Thanksgiving favorite.

This simple cheesy casserole is comforting while keeping the carbs in check. Serve it alongside roasted chicken or pork.

We take all the classic toppings of a loaded potato—bacon, Cheddar and sour cream—and use them in this cheesy sweet potato casserole that everyone will love.

Brussels sprouts and bacon are a natural pairing in this easy low-carb dish. Extra-sharp Cheddar cheese adds a punch of flavor to the creamy base of this stove-to-oven casserole.

In this easy scalloped potatoes recipe, sliced potatoes are roasted in the oven before being mixed with a simple, creamy stovetop sauce and sprinkled with Cheddar cheese. A few minutes under the broiler turns the dish golden and crispy.

You'll never want to eat roasted cauliflower any other way once you try this tasty recipe. Bacon, sour cream and sharp Cheddar cheese coat good-for-you cauliflower in deliciousness for an easy side that will make everyone actually want to eat their vegetables.

The lightened-up luscious sauce elevates this easy casserole recipe over standard broccoli and cheese side dishes.

Here's a terrific way to dress up the last of the season's summer squash. Reduced-fat cheddar cheese gives this side dish recipe plenty of flavor.

If green bean casserole is a must-have in your family at Thanksgiving but you're, well, ready for a change, give this cheesy version a whirl.

Now everyone can enjoy classic Thanksgiving favorites, like this dairy-free green bean casserole. We make a homemade vegan cream of mushroom soup using almond milk for the creamy base that's combined with fresh green beans. Top it off with classic french-fried onions (we have a vegan recipe for that, too!) for a side dish everyone will devour.

The original version of this cheesy potato casserole stars canned soup, full-fat sour cream, a stick of butter and a crust of crushed potato chips. We lightened it considerably by using a homemade white sauce instead of canned soup and swapping nonfat Greek yogurt for the sour cream. Crushed corn flakes replace the potato chips. All in all, we slashed 200 calories, 25 grams of fat (12 grams saturated) and 170 milligrams of sodium per serving. Dig in!

The combination of sweet tomatoes and zucchini with melted cheese in this zucchini-tomato casserole tastes like a summer-fresh pizza. It's the perfect easy side dish for any summer meal.

This creamy sweet potato soufflé is complemented with a crunchy pecan-oat topping for a truly scrumptious side dish. The filling can be made up to five days ahead, so you just have to top it and bake it when it's time. Whip up this healthy sweet potato soufflé recipe for Thanksgiving or any other special occasion.

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.

Thanks to fresh green beans, an easy homemade cream sauce and crispy onion topping, this green bean casserole recipe is healthier and more delicious than traditional recipes that use canned soup, beans and onions. Plus, the slow cooker saves you time cooking at the stove. Make sure to use fresh green beans, as frozen green beans will become mushy.