30 Make-Ahead Vegetarian Casserole Recipes To Enjoy All Year (2024)

Vegetarian casserole recipes are the one-dish answer to Meatless Mondays and healthy dinners when you don't have enough time to really cook. That's right – no more dissatisfied nights spent eating potato chips in bed. Vegetarian casseroles have your back, and they're even better when you can prep them the night before!

These vegetarian casseroles are hearty, melt-in-your-mouth good, and will earn you brownie points (or yummy broccoli points) from every vegetarian on the block. Here are *the* vegetarian casserole recipes you need to rock suppertime any day of the week.

Sweet Potato Gratin

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This sweet potato gratin with sage and gruyère cheese is ultra indulgent. It's crispy and caramelized on the outside, but soft and luscious once you break the surface. Grab a fork and dig in! (via Brit + Co)

White Bean + Tomato Casserole

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The addition of crusty bread really makes this vegetarian casserole recipe one of the best out there. You'll get a good dose of veggies in each bite, too! (via Brit + Co)

Butternut Squash + Spinach Casserole

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This casserole is super creamy! It's the perfect blend of comforting veggies and a vibrant cheese sauce that'll make everyone at the table say, "yum!" (via Brit + Co)

Roasted Garlic Ratatouille

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Don't tell France about this ratatouille. It gets a slight modification from possibly the most American ingredient ever: ranch dressing powder. You can call it sacrilege, but after one bite, you might hear a chorus of angels. (via The Food Charlatan)

Healthy Baked Pesto Rigatoni

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The very green pesto in this pasta bake gets its color from a balanced mix of spinach, kale, and basil. (via Pinch of Yum)

Creamy Broccoli Cheddar Casserole with Garlic Butter Pretzels

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Carbs and cheese are always a yes from us. Dip into this creamy vegetarian casserole recipe with homemade pretzel bites! (via Half Baked Harvest)

Gruyere White Cheddar and Kale Strata

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This cheesy kale casserole can be enjoyed any time of day, even though it's traditionally intended to be a breakfast casserole. (via The Endless Meal)

One-Pan Four Cheese Sun-Dried Tomato and Spinach Pasta Bake

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This pasta casserole is a cheese lover's dream. However, the addition of veggies like sun-dried tomatoes and spinach make it adulting at its finest. (via Half Baked Harvest)

Healthy Mushroom Cauliflower Alfredo Pasta Bake

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This veggie casserole has an alfredo sauce that binds the ingredients together. It's sure to hit the spot without weighing you down! The secret is using cauliflower instead of cream -- you'll have no regrets. (via Pinch of Yum)

Sun-Dried Tomato and Feta Quinoa Casserole

30 Make-Ahead Vegetarian Casserole Recipes To Enjoy All Year (10)

This casserole packs a fresh flavor inspired by the Mediterranean. (via The Endless Meal)

Creamy Mushroom Pasta Bake

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Savory mushrooms keep this pasta bake from tasting too dull. The sauce balances out the earthy fungi flavors for an unforgettable dish. (via Simply Delicious)

Black Bean Enchilada Casserole

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Black beans and roasted butternut squash get the enchilada treatment in this vegetarian casserole recipe. They're tossed with spices, cheese, enchilada sauce, and tortillas, then baked until gooey. (via She Likes Food)

Creamy Caprese Quinoa Bake

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Swap pasta for quinoa in this casserole for a healthy, protein-filled twist. It's loaded with fragrant basil and sweet grape tomatoes, making this one dish you won't be able to resist. (via Half Baked Harvest)

Chile Relleno Casserole

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A flawless homage to cheesy stuffed fried chiles, this make-ahead vegetarian casserole is everything. Serve it with some tortilla chips if you're craving a crunch. (via Savory Tooth)

Vegan Broccoli and Cheese Casserole

30 Make-Ahead Vegetarian Casserole Recipes To Enjoy All Year (15)

Get the homey flavors of broccoli and cheddar in a casserole that's made with a vegan cheese sauce and topped with crispy chickpeas. (via Fit Foodie Finds)

Easy Baked Ziti

30 Make-Ahead Vegetarian Casserole Recipes To Enjoy All Year (16)

Cream cheese takes the place of ricotta to make this baked ziti extra indulgent. (via The Cookie Rookie)

Vegetarian Sausage Casserole

30 Make-Ahead Vegetarian Casserole Recipes To Enjoy All Year (17)

Veg-heads who miss the taste of meat will fall head over heels for this casserole. Its savory punch comes from red wine, tomatoes, vegetarian Worcestershire sauce, and brown sugar, which create a thick sauce that coats each bite of the meatless sausage. (via The Cook Report)

Three Sisters Casserole with Cornbread

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This casserole features a blend of squash, beans, and corn that's topped with hearty cornbread dumplings that soak up every last bit of flavor from the filling below. (via Simply Recipes)

Low-Carb Cauliflower Casserole

30 Make-Ahead Vegetarian Casserole Recipes To Enjoy All Year (19)

As the name implies, this beauty is made with cauliflower instead of pasta. Think of this as an adult version of macaroni and cheese. (via Life Made Sweeter)

Dump-and-Bake Wagon Wheel Pasta Casserole

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Sometimes a simple, Caprese-style pasta bake is all you need to please everyone at dinnertime. (via The Seasoned Mom)

Eggplant Pasta Casserole

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This dish is so great to make ahead for busy winter days. Save tons of the leftovers and heat it up for an effortless lunch or dinner! (via Feel Good Foodie)

Healthy Mexican Casserole with Roasted Corn and Peppers

30 Make-Ahead Vegetarian Casserole Recipes To Enjoy All Year (22)

This nutritious veggie casserole is inspired by a frozen dinner you can find in any grocery store. No offense to that version, but this one's way better. (via Pinch of Yum)

Vegetable Casserole

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Super simple, yet super flavorful. This make-ahead vegetarian casserole is made with frozen veggies and only a handful of kitchen staples! (via Culinary Hill)

Baked Miso Sweet Potato Slices

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The umami notes of miso balance out the sweetness of sweet potatoes in this delish casserole recipe! (via Takes Two Eggs)

Ultimate Green Bean Casserole

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Thanksgiving or not, this green bean casserole is the ultimate comfort meal and one of the best vegetarian casseroles out there. (via Salt & Lavender)

Sweet Potato Casserole with Apples & Crunchy Rosemary Walnuts

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A little sweet, a little savory, this make-ahead vegetarian casserole is the most harmonious solution to a cozy fall meal. (via The First Mess)

Cheesy Zucchini + Squash Casserole

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This make-ahead casserole is as easy as throwing everything you need into to pan, and cooking it to perfection. (via Kathryn's Kitchen)

Potatoes Au Gratin

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Warm up on those cozy winter nights by preparing this cheesy potato casserole. Perfect for a main course or side dish! (via Cozy Cravings)

Lightened Up Broccoli Casserole

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This casserole is a dependable weeknight option because it only takes 1 hour to take. (via Live Eat Learn)

Vegan Sweet Potato Casserole

30 Make-Ahead Vegetarian Casserole Recipes To Enjoy All Year (30)

We can never get enough sweet potato. This casserole is super sweet and delicious, you'll be craving it even after Thanksgiving's over. (via Two Spoons)

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30 Make-Ahead Vegetarian Casserole Recipes To Enjoy All Year (2024)

FAQs

Is it better to make a casserole ahead of time? ›

Make-ahead meals (especially baked casseroles) are terrific because you can completely assemble them in advance and bake them just before serving. They're the ultimate comfort food as they come bubbling hot and delicious straight from the oven to the table to the delight of family and friends.

Why do casseroles have to sit overnight? ›

Let the casserole sit to let it set

Much like meat, casserole can also benefit from a post-bake break. According to Allrecipes, letting your hotdish cool for about 20 minutes before digging in will help any liquids be reabsorbed and help firm up any creamy ingredients like soup, sauce, or melted cheese.

Can you make a casserole with raw eggs ahead of time? ›

Can You Make Egg Casserole Ahead of Time? This easy egg casserole is the perfect make-ahead breakfast. Simply combine the ingredients the night before and place the mixture in a prepared baking dish, then cover it tightly with storage wrap or foil. In the morning, bake the casserole according to the recipe.

Is it better to bake a casserole covered or uncovered? ›

In general, you'll want to bake a casserole covered with aluminum foil for most of the cooking time. Covering the casserole helps lock in moisture and prevents it from drying out. If you don't cover the casserole or uncover it too soon, the casserole will dry out.

What is the key to making a good casserole? ›

  1. Choose the right baking dish. If you're all about the crunchy topping, use a shallow dish. ...
  2. Undercook your pasta. ...
  3. Drain your meat. ...
  4. Beware of mushy vegetables. ...
  5. Know your cheeses. ...
  6. Master the art of casserole assembly. ...
  7. Don't skip the topping. ...
  8. Make it now, but bake it later.
Nov 1, 2021

Do you have to brown meat before making a casserole? ›

It's not necessary in every case. There's a couple slow cooker stew recipes I've used where I think they just boost the aromatics and soy sauce to make up for any lost flavor from the skipped maillard process. Browning meat adds flavor. There is very rarely a recipe where you wouldn't want it.

Do you cook vegetables before putting in casserole? ›

Soft vegetables like broccoli can be quickly par-cooked (aka blanched). If you are using hard vegetables like potatoes or carrots or other hardy root vegetables, you'll want to par-cook for longer. Often a quick 2-5 minutes in the microwave will just give them that great head-start.

How long can you keep a casserole in fridge before baking? ›

Most casseroles can be made ahead and refrigerated for a day or two or frozen up to three months. Not only is this convenient, but it also lets the flavors mingle and fully develop.

Can I refrigerate a casserole before baking? ›

For example, assemble a vegetable casserole a day in advance, refrigerate and then bake the day of your dinner. Plan 15 to 20 minutes additional heating time for the refrigerated cold casserole. Heat until it's hot and steamy throughout (165 °F as measured by a food thermometer).

Can you leave an uncooked casserole in the fridge? ›

Uncooked Casseroles: If the casserole contains raw meat or seafood, it should be refrigerated for no more than 1-2 days before baking. A purely vegetable-based uncooked casserole can be refrigerated for 3-4 days. Cooked Casseroles: Once cooked, casseroles can be kept in the refrigerator for 3-5 days.

How long can a casserole sit out before baking? ›

TWO HOURS is the MAXIMUM time perishable foods should be at room temperature (ONE HOUR at temperatures 90 degrees F and higher). This INCLUDES the time they're on the table during your meal. Just ONE bacterium, doubling every 20 minutes, can grow to over 2,097,152 bacteria in 7 hours!

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