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    Home » Recipe Roundups

    16 Hearty Vegetarian Casseroles You'll Want to Try Tonight

    By Emmeline Kemperyd on April 1, 2025, updated March 21, 2025 - Leave a Comment

    Casseroles are a great way to enjoy a hearty meal, and they don't have to contain meat to keep you full fopr hours. These 16 vegetarian casseroles are not only filling but also full of flavor, making them perfect for any night of the week. Whether you’re looking for something cheesy, spicy, or comforting, there’s a recipe here that will satisfy your cravings. Some of these recipes do use cheeses that are not technically vegetarian. To make it truly vegetarian, make sure the cheese you use is made without animal rennet.

    Leftover Boiled Potato Casserole

    Leftover boiled potato casserole.
    Photo credit: alwaysusebutter.com.

    Leftover boiled potatoes can be transformed into a delicious casserole. This dish is creamy, cheesy, and perfect for a quick meal.

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    Zucchini Casserole

    Zucchini casserole.
    Photo credit: Masala Herb.

    This Zucchini Casserole is a simple way to enjoy fresh vegetables as the season begins. It's a great dish to prepare when you want something healthy and satisfying.

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    Crockpot Green Bean Casserole

    Crockpot Green Bean Casserole
    Photo Credit: Food Folks and Fun.

    This creamy green bean casserole is easy to make and great for any get-together. Prepared in the slow cooker, it’s a classic dish that everyone will love.

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    Gorgonzola Mac and Cheese

    Gorgonzola mac and cheese.
    Photo credit: Emmeline Kemperyd.

    This mac and cheese is incredibly cheesy and can be made in just one dish, so there's no need for any pre-cooking. With mozzarella and gorgonzola, it’s a simple and comforting meal that everyone will love.

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    Vegetarian Enchilada Casserole

    Vegetarian Enchilada Casserole.
    Photo credit: Delish Knowledge.

    This dish is a simple way to enjoy enchiladas with less effort. It's packed with layers of veggies, beans, cheese, and a tasty homemade sauce.

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    Cheesy Tortellini Casserole

    Cheesy Tortellini Casserole
    Photo credit: always use butter.

    This vegetarian casserole is simple to make and packed with flavor. It's the perfect dish for a cozy meal that everyone will enjoy.

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    Mashed Potato Casserole

    Mashed potato casserole.
    Photo Credit: always use butter.

    This mashed potato casserole is creamy and cheesy, perfect for a comforting meal. You can prepare it in advance, making it easy to serve on busy nights.

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    No-Boil Pasta Bake

    No-Boil Pasta Bake.
    Photo Credit: Midwest Foodie.

    This vegetarian No-Boil Pasta Bake is simple to prepare and comes together in just a few minutes. It uses common ingredients like store-bought spaghetti sauce, dried spices, boxed noodles, and lots of mozzarella and Parmesan cheese.

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    French Fry Casserole

    Leftover french fries casserole topped with sour cream.
    Photo credit: always use butter.

    Leftover french fries can be transformed into a tasty casserole that everyone will enjoy. This dish is cheesy, a bit spicy, and simple to prepare, making it a great side for chicken, beef, or any other protein.

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    Creamy Pesto Pasta Bake

    A creamy pesto pasta bake.
    Photo credit: Rich and Delish.

    This creamy pesto pasta bake is rich and cheesy, all made in one pan for easy cleanup. It comes together in under an hour and has a flavor that rivals your favorite restaurant dish.

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    Gorgonzola Tortellini Casserole

    Gorgonzola tortellini casserole.
    Photo credit: Emmeline Kemperyd.

    This tortellini casserole is perfect for anyone who loves cheese and pasta. It features two kinds of cheese, a zesty kick from Gorgonzola, and a satisfying crunch from walnuts, all ready in under 40 minutes.

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    Cheesy No-Boil Lasagna

    Cheesy No-Boil Lasagna.
    Photo Credit: Midwest Foodie.

    This No-Boil Lasagna takes just 10 minutes to prep (seriously!) and doesn't require you to boil the noodles before baking!

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    Dump-and-Bake Mac & Cheese

    Mac and cheese.
    Photo credit: always use butter.

    Baked Mac and Cheese is simple to prepare, taking just 10 minutes to get ready and 45 minutes in the oven. With a mix of Cheddar and Gruyere, this dish is loaded with cheesy goodness and flavor.

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    No Boil Stuffed Pepper Casserole

    No Boil Stuffed Pepper Casserole on a baking dish.
    Photo Credit: Piper Cooks.

    This casserole is easy to prepare and doesn't require boiling anything. It combines bell peppers, navy beans, long-grain white rice, and a tasty tomato sauce with Italian spices.

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    Baked Gnocchi with Frozen Veggies

    Baked gnocchi with vegetables on a Dutch oven.
    Photo Credit: Happy Veggie Kitchen.

    This is an easy one-pan gnocchi bake that requires no chopping. It's filled with frozen mixed veggies and a creamy cheese sauce, making it a comforting meal for the whole family.

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    No-Boil Ravioli Casserole

    This cheesy ravioli casserole is one of the simplest dishes you can make. With just four simple ingredients and store-bought shortcuts, you can prep this dish in 5 minutes, and eat in under 40!
    Photo credit: Emmeline Kemperyd.

    This dish is super easy to prepare. With just four ingredients and some ready-made items, you can have it ready in 5 minutes and on the table in under 40.

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    About Emmeline Kemperyd

    Emmeline Kemperyd is a writer, food blogger, recipe creator and food photographer and the founder of alwaysusebutter.com. She has 20+ years experience creating and simplifying recipes so they taste good, and are quick, easy, and approachable. She is a regular contributor to MSN and her work has been featured by The Guardian, Well+Good, Vulture, SheKnows, Good Men Project, and The Feed Feed, among others.

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    Hi, I'm Emmeline! I love tasty food, but I'm always in a hurry. And I have the quick and easy recipes to prove it!

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