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    Home » Casseroles

    14 Prep Ahead Casseroles We’re Making Every Week

    By Emmeline Kemperyd updated June 24, 2026 · Published August 13, 2026 · Leave a Comment

    Casseroles are a fantastic way to prepare meals in advance, making weeknight dinners a breeze. With just a little prep, you can create hearty and satisfying dishes that are perfect for busy schedules. Here are 14 easy casserole recipes that you can prep or cook ahead of time, ensuring you always have a delicious meal ready to go.

    Leftover Boiled Potato Casserole

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

    Leftover boiled potatoes can be transformed into a delicious casserole that captures the classic baked potato flavors. This dish is creamy, cheesy, and super simple to whip up.

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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 of time and can easily feed a big group. Packed with veggies, eggs, cheese, and crusty bread, it's a versatile dish that works for any meal, whether it's breakfast, brunch, or dinner.

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    Chicken Broccoli Pasta Bake

    Chicken pasta bake.
    Photo credit: always use butter.

    This dish is packed with chicken and broccoli, making it a hearty meal that will keep you satisfied. It's perfect for dinner and you'll likely have some leftovers for later.

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    Green Bean Tater Tot Casserole

    Beefy Green Bean Casserole with Tater Tots.
    Photo credit: The Feathered Nester.

    This casserole is a filling mix of hamburger, green beans, and your choice of potatoes. Preparing it in advance makes mealtime a breeze.

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    Dump-and-Bake Mac & Cheese

    Mac and cheese.
    Photo credit: always use butter.

    Baked Mac and Cheese is super simple to whip up. In just 10 minutes of prep and 45 minutes in the oven, you'll have a delicious one-pan dish loaded with Cheddar and Gruyere cheese.

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    Cinnamon Crunch Bagel Breakfast Casserole

    Cinnamon Crunch Bagel Breakfast Casserole
    Photo Credit: Inquiring Chef.

    This breakfast casserole makes brunch easy and enjoyable. With its soft, sweet layers of buttery cinnamon and creamy custard, topped with a cream cheese glaze, it's a delightful dish that you can prepare in advance.

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    Buffalo Chicken Pasta Bake

    Buffalo chicken pasta bake.
    Photo credit: always use butter.

    This Buffalo Chicken Pasta Bake is quick to prepare, taking just under 10 minutes, and is ready in less than an hour. Packed with spicy buffalo sauce, hidden spinach, and plenty of cheese, it makes for a tasty and simple weeknight dinner.

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    Baked Ravioli Casserole

    Baked Ravioli Casserole.
    Photo credit: Midwest Foodie.

    This baked ravioli casserole is quick to make, taking only about 20 minutes total with just 5 minutes of prep since there's no need to boil the ravioli first. Using store-bought cheese ravioli makes it a perfect option for busy weeknights, and you can prepare it in advance to refrigerate or freeze.

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    Walking Taco Casserole

    Walking taco casserole.
    Photo credit: Emmeline Kemperyd.

    This casserole brings all the delicious flavors of tacos into one easy dish. Packed with ground beef, salsa, and plenty of cheese, it's perfect for a potluck or a quick weeknight dinner.

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    Twice Baked Mashed Potato Casserole

    Twice Baked Mashed Potato Casserole
    Photo Credit: Bitz n Giggles.

    These cheesy mashed potatoes are baked until golden and are packed with delicious bacon. They make a great side 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 without any pre-cooking. Simply mix everything together, bake it, and enjoy a comforting meal that's packed with mozzarella and gorgonzola.

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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, making it a great option for a side dish or a main meal. It's perfect for meal prep since you can reheat it later without sacrificing its deliciousness.

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    Eggplant Moussaka

    Eggplant Moussaka with Lamb.
    Photo credit: always use butter.

    Eggplant Moussaka is a hearty dinner packed with vegetables and ground meat, all covered in cheese. This recipe skips the potatoes and Bechamel sauce, using more eggplant instead for a tasty and healthy Mediterranean meal that's easy to prepare.

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    Bagel and Egg Breakfast Bake with Whipped Scallion Cream Cheese

    Bagel and Egg Breakfast Bake with Whipped Scallion Cream Cheese
    Photo Credit: Inquiring Chef.

    This bagel bake is perfect for brunch and can be made ahead of time. Just pop it in the fridge and bake it fresh when you're ready, adding some whipped scallion cream cheese, lox, and capers for a tasty twist.

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    More Casseroles

    • Chicken tater tot casserole.
      17 Chicken Casseroles the Whole Family Will Crave
    • A spoonful of cheesy tortellini casserole.
      27 Pasta Casseroles That Get Dinner Done on Busy Nights
    • Lazy lasagna.
      20 Casseroles for Busy Nights: Just Prep, Set and Forget!
    • Cheeseburger tater tot casserole.
      12 Tater Tot Casseroles Straight Out of Your Childhood

    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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