15 Delicious Vegetarian Casserole Recipes for Busy Cooks (2024)

01 of 15

Vegetarian Baked Spaghetti Casserole

For an easier-to-serve version of classic spaghetti, combine the ingredients into a baked casserole. The pasta is boiled a couple of minutes short of being done before it's tossed with tomato sauce, a little milk, and a beaten egg. A generous topping of cheese makes it really special.

02 of 15

Cheesy Cauliflower Casserole

If you're wondering how to get your kids to eat their veggies, this cheesy cauliflower casserole might do the trick. The veggies are gently cooked before being coated in the decadently creamy sauce before baking until golden brown and bubbly. It's an irresistible side dish to any meal.

03 of 15

Easy Baked Eggplant Casserole With Cheese

Eggplant makes a satisfying, almost meaty base for a vegetarian casserole. Salting and draining (or brining) the veggie first will help keep it from becoming rubbery. Serve the baked eggplant casserole as a main with a simple salad for an easy meal.

04 of 15

Vegetarian Butternut Squash Casserole

Naturally sweet butternut squash goes perfectly with tender cooked apples for a pretty fall side dish. A little brown sugar, butter, and cinnamon accent the butternut squash casserole. It's special enough to serve at a holiday meal but easy enough for a weeknight.

05 of 15

Copycat Hash Brown Casserole

The casual restaurant chain Cracker Barrel is known for their hash brown casserole, but there's no need to make a special trip to enjoy the indulgent dish. This copycat recipe delivers all the same flavors for a fraction of the price. Replace the chicken bouillon with vegetable bouillon or simply omit it.

06 of 15

Scalloped Corn Casserole

Corn and crisp bell pepper are cooked in a creamy white sauce and topped with crispy breadcrumbs for a memorable dish. Scalloped corn casserole pairs nicely with just about anything and is a little lighter than typically cheesy casseroles. Vegetable medley can also be used in place of the corn for a more colorful dish.

07 of 15

Quick and Easy Cheesy Pasta and Bean Casserole

This quick and easy cheesy pasta and bean casserole is a great way to use up any leftover cooked pasta you have lying around. Just toss a few ingredients into a dish and bake. Although you do have to cook the pasta beforehand, this vegetarian pasta casserole only has five simple ingredients, so it's economical and easy.

08 of 15

Cheddar Green Bean Casserole

Don't save this green bean casserole for the holidays—make it anytime the craving strikes. Fresh or frozen green beans work equally well, and you can top it with crisp breadcrumbs, Parmesan cheese, French-fried onions, or all three.

09 of 15

Creamy Vegetarian Shepherd's Pie

Shepherd's pie is a casserole dish traditionally made with meat and mashed potatoes, but this vegetarian recipe uses lots of vegetables instead of meat. The recipe also includes vegan substitutions, so you can still make this shepherd's pie if you need an egg and dairy-free recipe.

10 of 15

Easy Macaroni and Cheese Casserole

Everyone loves mac and cheese! This baked macaroni and cheese casserole is simple and easy to pack up for a potluck. You can put your own stamp on this simply delicious dish by adding chiles, vegetarian bacon, or swapping half the cheese for pepper Jack or extra sharp cheddar.

11 of 15

8-Ingredient Broccoli Rice Casserole

Broccoli, rice, and cheese are a classic combination. With a decadently cheesy sauce, the whole family will be reaching for more broccoli rice casserole. It's a great way to use up leftover cooked rice, and you can add some diced bell pepper or a breadcrumb topping to jazz it up a bit.

12 of 15

Basic Squash Casserole With Cheese

Yellow squash is briefly steamed and then baked until perfectly tender and flavorful in this basic casserole. Crumbled crackers add texture and salty flavor, and a topping of melted cheese and crunchy pecans adorn the top. Zucchini also works well in this recipe.

13 of 15

5 Ingredient Vegetarian Oven-Baked Pasta

Jarred sauce makes this oven-baked pasta casserole a cinch to throw together. Use a high-quality sauce or some leftover homemade marinara for the best results. Creamy ricotta and melted mozzarella make the dish anything but forgettable. Add some wilted spinach for extra nutrition and color.

14 of 15

Vegetarian Classic Meatless Frito Pie

Frito pie is a festive main dish that's great for game night or any kind of potluck. Crunchy Fritos are topped with vegetarian chili (use good-quality store-bought or homemade chili) and melty cheese for a play on nachos. Add sliced green onions, diced tomatoes, jalapeños, and more if desired.

15 of 15

Scalloped Asparagus With Cheddar Cheese Sauce

Asparagus becomes something swoon-worthy when combined with diced pimentos and a rich and creamy white sauce. The tender green stalks are delicious with the cheese sauce and the scalloped asparagus casserole looks attractive as part of a dinner spread.