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    Home » Recipe Roundups

    21 Easy Vegetarian Casseroles for Busy Weeknights

    By Emmeline Kemperyd on April 30, 2025, updated April 3, 2025 - Leave a Comment

    Vegetarian casseroles are a fantastic way to prepare a hearty meal with minimal effort, making them perfect for busy weeknights. These one-dish wonders are not only easy to make but also packed with flavor and nutrition. From cheesy pasta bakes to veggie-packed dishes, there are plenty of options to satisfy everyone at the table.

    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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    Green Rice Casserole

    Green Rice Casserole.
    Photo Credit: Urban Farmie.

    This green rice casserole is a tasty one-pot meal that everyone in the family will enjoy. It's a quick and healthy dish that comes together in just 35 minutes, making it perfect for using up leftover rice.

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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 meal. It's easy to prepare ahead of time and can be reheated while still keeping its delicious texture 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 make 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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    Swiss Chard & Gruyere Casserole

    Vegetarian Breakfast Casserole with Swiss Chard and Gruyere
    Photo credit: Hey Nutrition Lady

    This casserole is great for making ahead and can easily feed a crowd. Packed with vegetables, eggs, cheese, and crusty bread, it’s a versatile dish that works for any meal, including breakfast for dinner.

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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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    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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    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. This dish is simple to prepare and works well as a side for chicken, beef, or any other protein.

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    Veggie Loaded Tater Tot Casserole

    Vegetarian Tater Tot Casserole.
    Photo Credit: Urban Farmie.

    This dish features creamy vegetables covered with crispy, golden tater tots. It’s quick to prepare and perfect for family dinners or a cozy night at home.

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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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    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 spaghetti sauce, dried spices, boxed noodles, and lots of mozzarella and Parmesan cheese.

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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 super simple to prepare.

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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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    Potato Kugel with Seitan

    Potato Kugel with Seitan.
    Photo Credit: Cinnamon Snail.

    Vegan Yapchik takes the classic potato kugel to a whole new level. With a flavorful seitan filling, garlic, and sweet carrots, all under a crispy, golden crust, this dish is a hearty and satisfying option for any meal.

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    Veggie Rice Casserole

    Veggie Rice Casserole.
    Photo Credit: Cozy Peach Kitchen.

    This veggie rice casserole features zucchini, tomatoes, and kale mixed with rice for a simple and satisfying meal. It's perfect for weeknight dinners and only takes 15 minutes of your time to prepare!

    Get the Recipe

    Vegetarian White Lasagna

    Vegetarian White Lasagna.
    Photo Credit: Cook Eat Live Love.

    This vegetarian white lasagna skips the ricotta and uses fresh, healthy ingredients for a comforting meal that everyone will enjoy. With layers of spinach béchamel, lasagna noodles, and butternut squash, it's a delicious option for dinner.

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    Vegetarian Enchilada Casserole

    Vegetarian Enchilada Casserole.
    Photo Credit: Chef Savvy.

    This dish features layers of black beans, corn, green chilies, enchilada sauce, and corn tortillas. It's a simple vegetarian meal that everyone in the family will enjoy, and it can be on the table in 40 minutes or less!

    Get the Recipe

    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 delicious flavor that rivals what you'd find at a restaurant.

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    Broccoli Cauliflower Casserole

    Broccoli Cauliflower Casserole.
    Photo Credit: The Almond Eater.

    This Broccoli Cauliflower Casserole combines broccoli and cauliflower in a creamy cheese sauce made lighter with Greek yogurt. It’s quick to prepare in just 35 minutes and works well as a side dish or a meatless main.

    Get the Recipe

    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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    Dump-and-Bake Mac & Cheese

    Mac and cheese.
    Photo credit: always use butter.

    Baked Mac and Cheese is simple to prepare and only takes 10 minutes to get ready before it goes in the oven for 45 minutes. With a mix of Cheddar and Gruyere, this dish is loaded with cheesy goodness and flavor.

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    More Recipe Roundups

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      21 Vibrant Summer Salads That Are Perfect for Dinner
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      28 Dump-And-Bake Recipes That Will Feed a Crowd
    • Lemongrass grilled chicken.
      Memorial Day BBQ: 24 Recipes That Will Make You the Grill Master
    • Feta stuffed chicken.
      19 Simple Sunday Night Dinners Your Whole Family Will Love

    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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