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    Home » Recipe Roundups

    21 Best Vegetarian Casseroles for Busy Weeknights

    By Emmeline Kemperyd on March 13, 2025, updated March 12, 2025 - Leave a Comment

    Vegetarian casseroles are perfect for busy weeknights when you need a hearty meal without spending hours in the kitchen. These one-dish wonders are not only easy to prepare but also packed with flavor and nutrition. From cheesy pasta bakes to veggie-packed rice dishes, there’s something for everyone to enjoy.

    Classic Tater Tot Casserole

    Tater Tot Casserole.
    Photo Credit: Bitz & Giggles.

    This vegetarian casserole is a tasty dish that everyone in the family will enjoy. It comes together easily with just a few basic ingredients.

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    Cheesy No-Boil Lasagna

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

    This No-Boil Lasagna is super easy to prepare, taking only 10 minutes of your time. You can skip the step of boiling the noodles, making it a quick and convenient meal option.

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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. Loaded with frozen mixed veggies and a creamy cheese sauce, it’s a comforting meal that comes together quickly.

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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 whip up when you want something healthy and satisfying.

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    Kimchi Mac and Cheese

    Kimchi Mac and Cheese.
    Photo credit: Mikha Eats.

    This mac and cheese is creamy and cheesy, with a crunchy topping that adds a nice texture. The addition of kimchi gives it a refreshing kick that balances out the richness, making it a dish you'll want to enjoy again and again.

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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's cheesy and a bit spicy. It's simple to prepare and works well as a side dish for chicken, beef, or any other protein.

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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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    Mediterranean Veggie Casserole

    Veggie casserole.
    Photo credit: The Fiery Vegetarian.

    This casserole is quick to prepare and then goes right into the oven. You'll end up with soft vegetables in a flavorful, garlicky sauce.

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    No Boil Stuffed Pepper Casserole

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

    This easy casserole combines bell peppers, navy beans, long-grain white rice, and a tasty tomato sauce with Italian spices. It's a simple dish that comes together without much work.

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    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 simple to prepare, capturing all the classic flavors of baked potatoes.

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    Make Ahead Creamy Vegetable Casserole

    Make Ahead Creamy Vegetable Casserole
    Photo Credit: Lord Byron's Kitchen.

    This casserole is packed with vegetables and a creamy sauce, perfect as a side dish or a main course. It's easy to prepare ahead of time and can be reheated while still keeping its delicious texture and flavor.

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    Baked Tortellini

    20 Minute Baked Tortellini.
    Photo Credit: Midwest Foodie.

    The Cheesy Tortellini Bake is quick and easy, taking just about 20 minutes to prepare with fewer than 10 ingredients. Everything cooks in one pan, making cleanup a breeze.

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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 a great option for busy nights.

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    Mediterranean Lasagna

    Mediterranean Lasagna.
    Photo Credit: Midwest Foodie.

    This Mediterranean Lasagna is packed with creamy feta cheese, ricotta, and mozzarella, along with artichoke hearts, sun-dried tomatoes, zucchini, garlic, and herbs. It's a delicious and satisfying dish that's perfect for any meal.

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    Goat Cheese Mac and Cheese

    Goat Cheese Mac and Cheese.
    Photo credit: The Littlest Crumb.

    This creamy goat cheese mac and cheese offers a tasty twist on the classic comfort dish. The macaroni is enveloped in a rich goat cheese sauce with herbs and finished with a crunchy layer of bread crumbs and parmesan.

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    Sweet Potato Casserole with Black Beans, Kale and Quinoa

    Sweet Potato Casserole with Black Beans, Kale and Quinoa
    Photo Credit: Happy Kitchen.

    This vegan sweet potato casserole is packed with black beans, kale, quinoa, and roasted garlic sauce. It's simple to put together and great for preparing in advance.

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    One Pan Falafel Bake

    Falafel bake on a baking dish.
    Photo Credit: Happy Veggie Kitchen.

    This easy one-pan dinner is both simple and delicious. With premade falafel, beans, tomatoes, kale, and a cheesy topping, this vegetarian casserole is a comforting dish you'll want to make often.

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    Pesto Pasta Bake

    Pesto Pasta Bake.
    Photo Credit: Midwest Foodie.

    This pesto pasta bake is quick and easy, taking only 20 minutes to prepare. It features fresh vegetables, lots of pasta, and plenty of cheese.

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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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    Bean & Pasta Casserole

    Bean & Pasta Casserole.
    Photo credit: Hurry The Food Up.

    This vegetarian casserole features hearty white beans, filling pasta, and juicy cherry tomatoes, creating a comforting meal. It's a healthy and satisfying option for dinner.

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    More Recipe Roundups

    • Lasagna.
      22 Dump-and-Bake Dinners That Will Revolutionize Your Weeknight Meals
    • A veggie casserole.
      21 Vegetarian Casseroles That Will Change Your Dinner Game
    • Instant Pot French Onion Soup.
      18 Elegant Lunch Ideas to Impress Mom This Mother’s Day
    • Cheesburger sliders.
      18 Cheap Ground Beef Recipes That Are Perfect for Spring

    About Emmeline Kemperyd

    Emmeline Kemperyd is a writer, food blogger, recipe creator and food photographer and the founder of alwaysusebutter.com. She has more than 20 years of 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, Daily Kos, The Grio, The Asian Parent, and The Feed Feed, among others.

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