35 Vegetarian Side-Dish Casseroles

Updated: May 17, 2024

These veggie casserole side dish ideas complete any meal. Find favorites with corn, pasta, beans, broccoli and much more.

1 / 34

Cauliflower Casserole

To dress up cauliflower, Mom used a delightful mixture of a cheesy sauce, bright red and green pepper pieces, and crushed cornflakes. We enjoyed this casserole so much that leftovers were rare. —Linda McGinty, Parma, Ohio

Go to Recipe

2 / 34

Steakhouse Mushroom Casserole

This meatless mushroom casserole is one of my all-time favorites. Loaded with mushrooms and draped in a rich sauce, it’s a home-style side dish that will have everyone scooping up seconds.—Rosemary Janz, Concord, North Carolina
3 / 34

Summer Squash Side Dish Casserole

My daughter-in-law created this healthy yellow squash recipe and shared it with me. I was delighted since my husband and I were cutting down on fried foods. You can easily double or triple this squash casserole to serve at family dinner. —Sue Joyce, Winston-Salem, North Carolina
4 / 34

Butternut and Chard Pasta Bake

This recipe is made for butternut squash lovers, with pureed squash in the sauce and squash pieces in the casserole alongside an ideal companion, Swiss chard. This is a veggie hybrid of ever-popular holiday sides. —Arlene Erlbach, Morton Grove, Illinois
5 / 34

Tomato Cobbler

I make this tomato cobbler recipe during the height of summer, when tomatoes are abundant and super flavorful. The topping is a cross between that of a crisp and a cobbler. It’s a delightful way to use up fresh garden produce. —Mohammad Abdullah, Fremont, California
6 / 34

Vegan Green Bean Casserole

Now everyone can enjoy this classic Thanksgiving side. Just a few small tweaks make this a vegan green bean casserole, but no one wiletast the difference! —Taste of Home Test Kitchen, Milwaukee, Wisconsin
7 / 34

Duo Tater Bake

I made this creamy and comforting potato dish for Thanksgiving and it was a winner with my family. They said to be sure to include it at every holiday dinner. It’s a keeper! —Joan McCulloch, Abbotsford, British Columbia
8 / 34

Nutty Barley Bake

When I started bringing this distinctive dish to holiday dinners, a lot of people had never seen barley in anything but soup. They have since dubbed me "the barley lady", and now I wouldn't dare bring anything this dish. Even if I double the recipe, I come home with an empty pan. -Renate Crump, Los Angeles, California
9 / 34

Cheesy Zucchini Casserole

Tender zucchini gets pleasant flavor from a cheesy sauce and cracker-crumb topping. This cheesy zucchini casserole is a great way to use up bumper crop. —Kathi Grenier, Auburn, Maine
10 / 34

Brussels Sprouts au Gratin

In our house, Brussels sprouts have always been sought after. When I topped them with a creamy sauce, Swiss cheese and bread crumbs, it became a new holiday dinner tradition. —Gwen Gregory, Rio Oso, California
11 / 34

Swiss Corn Casserole

My mom shared this recipe with me back in the '80s, and now it's a Turkey Day mainstay. We freeze locally grown corn during peak season, and I love to use it in this special side. —Wendy Young, Cordova, Maryland
12 / 34

Zucchini Tomato Casserole

Even people who don’t like zucchini can’t seem to get enough of this full-flavored side dish. I always bring it to our family gatherings and potlucks because it goes well with any entree. —Cathy Johnston, Ranchester, Wyoming
13 / 34

Carrot, Parsnip and Potato Gratin

Thanks to a challenge in the TOH online community a few years back, my husband and I tried parsnips and discovered that we liked them! In fact, I started growing them in my garden and have been trying new things with them, including this recipe. —Sue Gronholz, Beaver Dam, Wisconsin
14 / 34

Crumb-Topped Broccoli Bake

Broccoli is one of the main crops grown in this area. This recipe has pleased just about everyone who has tried it, including some who said they didn't like broccoli. —Hope Huggins, Santa Cruz, California
15 / 34

Two-Bean Tomato Bake

Parmesan cheese, basil and garlic spice up this mouthwatering medley of beans, mushrooms, onion and tomatoes. It's even more flavorful when you use your garden harvest. We love the cheesy crumb topping because it adds a fantastic crunch.—Dorothy Rieke, Julian, Nebraska
16 / 34

Veggie Macaroni & Cheese

This creamy mac and cheese definitely doesn't come from a box! Fresh veggies add crunch and color and will leave everyone asking for seconds. —Marsha Morril, Harrisburg, Oregon
17 / 34

Scalloped Pineapple Casserole

My family can't get enough of this sweet and satisfying side dish. This casserole disappears quickly whenever I prepare it.—Judy Howle, Columbus, Mississippi
18 / 34

Party Potatoes

These creamy, tasty potatoes can be made the day before and stored in the refrigerator until you're ready to pop them in the oven (I often do that). The garlic powder and chives add zip, and the shredded cheese adds color. —Sharon Mensing, Greenfield, Iowa
19 / 34

Broccoli Potato Supreme

My family insists that this two-in-one casserole makes an appearance at all of our special meals. Every bite is doubly delicious! —Jane Birch, Edison, New Jersey
20 / 34

Cheesy Vegetable Casserole

I am happy to share this 50-year-old Cheesy Vegetable Casserole recipe. It came from my mother-in-law, who taught me how to cook. It is one of my family’s favorite dishes, yielding enough for a group or you can cut it in half to serve a few. —Irene Redick, Trenton, Ontario
21 / 34

Summer Squash Mushroom Casserole

This rich, creamy squash and zucchini casserole, with its crunchy topping would make a wonderful dish to take to summer potlucks and picnics, or to pair up with a wide variety of entrees. You'll love the buttery flavor of these "comfort veggies!" —Jennifer Wallace, Canal Winchester, Ohio
22 / 34

Pepper Jack Hash Brown Casserole

I found myself in need of an impromptu potato dish, but I had no potatoes. Frozen hash browns and the plethora of cheeses I had in the freezer offered me the solution to my side-dish dilemma. —Cynthia Gerken, Naples, Florida
23 / 34

Wild Rice Mushroom Bake

The wild rice adds a wonderful flavor to this casserole. I like to serve it on special occasions. —Jann Marie Foster, Minneapolis, Minnesota
24 / 34

Golden Butternut Squash Tart

This savory and flavorful butternut squash tart is perfect for the holiday season. It’ll warm you right up. —Theresa Gutsch, Wausau, Wisconsin
25 / 34

Sour Cream Noodles

Sour Cream Noodles are much requested at my house, where it will be a mainstay for years to come. I think noodles and sour cream make the perfect pair. —Judy Robertson, Russell Springs, Kentucky
26 / 34

Crouton Tomato Casserole

This old-fashioned side uses lots of delicious tomatoes and seasonings that give it an Italian twist. Every time I serve it, someone asks for the recipe. —Norma Nelson, Punta Gorda, Florida
27 / 34

Vegetable Barley Bake

Forget the potatoes and rice, and consider this change-of-pace dinner accompaniment. Wholesome barley makes for a heart-smart dish that complements just about any main course and other sides, too. —Shirley Doyle, Mount Prospect, Illinois
28 / 34

Pearl Onion Broccoli Bake

With its creamy white cheese sauce and buttery crumb topping, this dish is great comfort food. If you’re looking for a mild way to dress up broccoli, this is the recipe. —Charles Keating, Manchester, Maryland
29 / 34

Cauliflower Dill Kugel

I enjoy cauliflower and kugel, so it made sense to combine the two into one special dish. The ricotta cheese adds a distinctive creaminess and lightness. —Arlene Erlbach, Morton Grove, Illinois
30 / 34

Mexican Street Corn Bake

We discovered Mexican street corn at a festival. This easy one-pan version saves on prep and cleanup. Every August I freeze a lot of our own fresh sweet corn and then I use that in this recipe, but store-bought corn works just as well. —Erin Wright, Wallace, Kansas
31 / 34

Tex-Mex Summer Squash Casserole

Mild-flavored yellow squash gets a big boost from flavor-packed chiles, jalapenos and red onion. This side dish also works with zucchini. —Tommy Lombardo, Euclid, Ohio
32 / 34

Monterey Spaghetti

I'm a working mother with two young boys. Our family leads a very active life, so I make a lot of casseroles. It's so nice to have a hearty side dish the kids will eat. Topped with cheese and french-fried onions, this tasty spaghetti casserole recipe is a hit at our house. —Janet Hibler, Cameron, Missouri
33 / 34

Cheesy Cheddar Broccoli Casserole

Even people who don’t like broccoli beg me to make this comforting broccoli cheese casserole recipe. It's similar to a classic green bean casserole, but the melted cheese just puts it over the top. —Elaine Hubbard, Pocono Lake, Pennsylvania
34 / 34

Yellow Squash and Zucchini Casserole

This yellow squash and zucchini casserole is the perfect way to use up an abundance of summer squash. It's easy to prepare, takes just 10 minutes in the oven and serves up bubbly and delicious. —Jonathan Lawler, Greenfield, Indiana