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10 easy vegetarian casseroles for a no-stress meal

Kim Renta
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If you’re looking to experiment with some new recipes, you really can’t go wrong with casseroles. Comforting, hearty, and easy to make, most casseroles can be put together hours before they go into the oven. All in all, these meals are an excellent option for busy weeknights or on days when you don’t have the time to prep, cut, or stand guard over a skillet of ingredients on a hot stove. 

If you’re struggling to find dinner ideas for Meatless Mondays, vegetarian casserole recipes are the one-dish answer you’ve been searching for. Loaded with healthy veggies, and lots of gooey cheese or creamy sauces, these meat-free casseroles will make you the hero to all the vegetarians on the block — and even the non-vegetarians. From mushrooms to potatoes, cauliflower to eggplant, these healthy make-ahead vegetarian casseroles are filling and delicious… so let’s get cooking!

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Some of our favorite vegetarian casserole recipes

Southwestern Veggie-Packed Tater Tot Casserole

Tater tot casseroles are a dinner mainstay for Midwesterners. For those outside the region, this idea may be new, but it’s going to be a dinnertime game-changer.  The southwestern veggie mix is spicy and flavorful, adding a bit of lightness to the tater tot topping. After just 30 minutes of baking in the oven, you’ll be ready to serve this soon-to-be family-favorite dish.

Tater Tot Casserole II

Whether or not you’re a vegetarian, this recipe is a crazy-good combination of tater tots, mushroom soup, and cheese that will put your tastebuds into overdrive. If you make just one tater tot casserole recipe in your life, this should be it!

Potato Mushroom Bake

Mushrooms are popular ingredients in many vegetarian casserole recipes, but they are often paired with pasta. For those who aren’t in the mood for a heavy noodle dish, this mushroom casserole is the perfect solution. A delightful mix of creamy mushrooms and soft and buttery potatoes, this recipe is pure heaven.

Roasted Garlic Ratatouille

A rainbow of thinly sliced spiced vegetables with a delicious garlic sauce, this ratatouille recipe looks and tastes like a five-star dish! An impressive display that’s special enough to bring to a friend’s house for dinner, ratatouille can be paired with couscous, polenta, potatoes, or other carbohydrate bases. As an appetizer, you can spread softened goat cheese and ratatouille on toasted French bread, or, for something more out of the box, try creating ratatouille tacos.

Black Bean Enchilada Casserole with Butternut Squash

No need to worry about making an overfilled enchilada mess, this version blends everything in one dish. Black beans and butternut squash are a healthier enchilada option than the standard restaurant fillings, and this casserole tastes just as delicious when reheated the next day! 

Cauliflower Casserole

Topped with buttery breadcrumbs and layered with lots of gooey cheese, this casserole will have the kids begging for seconds (and they won’t even mind that it’s loaded with healthy cauliflower). There’s even a vegan-friendly option if you swap out the cheese for a tasty alternative.

French Onion Soup Casserole

Love French Onion soup? Love casseroles? This easy-to-make recipe combines these two fan-favorites into one can’t-resist meal. Grab a loaf of crusty French bread and prepare to transport yourself to France!

Vegetable Cobbler

This recipe involves making homemade biscuits for the casserole’s crust, but you can save a lot of time and effort by using store-bought dough. With healthy veggies, a creamy sauce, and a cheesy scone, this is quite possibly the perfect one-dish meal.

Veggie casseroles are not just for dinner

These make-ahead breakfast casseroles are perfect for the weekend when the whole family is together. You’ll get to enjoy a hot and satisfying breakfast while still getting a few extra minutes in for sleeping. 

Veggie-Loaded Breakfast Casserole

This has to be one of the best breakfast casseroles ever. Start with shredded hash browns, sautéed spinach, bell peppers, and mushrooms, then customize it with whatever veggies you have on hand.

Make-Ahead Veggie Breakfast Casserole

Use whatever vegetables you have in your fridge, plus cheese and eggs, to create a truly outstanding and oh-so-filling breakfast casserole. Put it together the night before, pop it in the oven in the morning, and you’re done.

Mealtime can be challenging, especially for busy households. Having an arsenal of make-ahead casserole recipes gives you a new way to meet that “what’s for dinner?” challenge. Get creative and use the ingredients you already have on hand to quickly and easily make a hearty, healthy, one-dish meal that the whole family will love. 

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Kim Renta
Kim Renta
Former Digital Trends Contributor
Kim has written for Bloomingdales, Movado, and various e-commerce wine sites. When she's not writing about wine and…
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