Hearty Vegetarian Casseroles for Any Night of the Week

Vegetarian casseroles are a great way to make filling, flavorful meals without meat. They’re easy to prepare, often using pantry staples and fresh vegetables. Perfect for weeknights, meal prep, or feeding a crowd.

You’ll find all kinds of options—some packed with cheese and pasta, others focused on grains, beans, and seasonal produce. These casseroles are flexible and can be adjusted to fit what you have on hand. They work well for anyone trying to eat more plant-based meals.

Whether you’re cooking for vegetarians or just mixing things up, these casseroles offer plenty of variety. They’re simple to put together, make great leftovers, and are easy to customize for any taste or occasion.

Individual Green Bean Casseroles

These single-serve casseroles offer all the comfort of the classic dish without needing a big pan. Each portion is baked with creamy sauce, tender green beans, and a crunchy topping. They’re great for meal prep, dinner parties, or picky eaters who like their own dish. Plus, they’re easy to make ahead and reheat well.
Get the Recipe: Individual Green Bean Casseroles

Palmini Baked Fetta Pasta

This lower-carb twist on the viral feta pasta uses Palmini noodles made from hearts of palm. The feta melts down into a creamy sauce that coats the noodles, with cherry tomatoes adding bursts of flavor. It’s a simple, oven-friendly recipe that doesn’t require much hands-on time. Light, flavorful, and quick to pull together.
Get the Recipe: Palmini Baked Fetta Pasta

Brioche French Toast Casserole

Soft brioche bread soaks up a rich egg custard and bakes into a golden breakfast casserole. It’s slightly crisp on top with a soft, fluffy interior, perfect for weekend mornings or holiday brunches. Prep it the night before and bake fresh for a warm, easy meal. Add fruit, syrup, or powdered sugar to customize.
Get the Recipe: Brioche French Toast Casserole

Chile Relleno Casserole

This casserole takes the flavor of classic chile rellenos and turns it into a baked, layered dish. Roasted peppers, cheese, and a light egg batter come together into something hearty and comforting. No frying required, and it feeds a crowd with ease. Serve with salsa or a scoop of sour cream.
Get the Recipe: Chile Relleno Casserole

Zucchini & Summer Squash Casserole

Thinly sliced squash bakes down soft and tender with a cheesy, breadcrumb topping. This one works well as a side or a light main dish, especially during peak summer months. The flavors are simple, letting the fresh vegetables shine. Great for using up an abundance of garden squash.
Get the Recipe: Zucchini & Summer Squash Casserole

Sweet Potato Casserole with Pecan Streusel

Mashed sweet potatoes get topped with a buttery pecan crumble and baked until golden. It’s slightly sweet, rich, and perfect for special occasions. You can make it ahead and bake just before serving. It’s often a side dish, but honestly, it works as dessert too.
Get the Recipe: Sweet Potato Casserole with Pecan Streusel

Broccoli Rice Casserole

A simple mix of broccoli, rice, and cheese baked until bubbly and golden. It’s a comforting side dish that pairs well with just about anything. The rice helps soak up the creamy sauce, while the broccoli adds a little bite. Great for potlucks or weeknight dinners.
Get the Recipe: Broccoli Rice Casserole

Hashbrown Casserole

This dish layers frozen hashbrowns with a creamy, cheesy mix and bakes until golden and bubbly. It’s a favorite at brunches or holiday meals for good reason—easy to make, easy to love. Add ham, sausage, or veggies to customize. It reheats well and can feed a crowd.
Get the Recipe: Hashbrown Casserole

Broccoli Casserole

A classic side dish that combines tender broccoli with a creamy sauce and crispy topping. Whether you use cheese, soup, or a homemade base, it bakes up warm and flavorful. It’s been a staple at many tables for good reason. Serve it alongside chicken, turkey, or just enjoy on its own.
Get the Recipe: Broccoli Casserole

Cheesy Zucchini Casserole

Grated zucchini bakes into a cheesy, almost souffle-like dish with a golden top. It’s light but comforting, and a great way to use extra zucchini. Serve it warm from the oven, or enjoy leftovers straight from the fridge. A reliable go-to for summer produce.
Get the Recipe: Cheesy Zucchini Casserole

Yellow Squash Casserole

This dish is all about tender squash, creamy sauce, and that classic cracker topping. It’s a bit Southern-inspired and great as a side for grilled meats or a potluck dish. The squash bakes down soft, while the top adds crunch and flavor. Simple, homey, and always welcome on the table.
Get the Recipe: Yellow Squash Casserole

Green Bean Casserole

A familiar favorite made with green beans, a creamy mushroom sauce, and crispy onions. It’s practically a requirement at many holiday meals, but honestly, it’s good any time of year. Easy to make ahead and reheat. Just the right mix of crunchy, creamy, and comforting.
Get the Recipe: Green Bean Casserole

Crock Pot Hawaiian Roll French Toast Casserole

Sweet Hawaiian rolls soak up a cinnamon-spiced custard in this slow-cooker breakfast dish. It’s hands-off and great for feeding a crowd without turning on the oven. The rolls puff up and get lightly crispy around the edges. Serve warm with syrup or fresh fruit.
Get the Recipe: Crock Pot Hawaiian Roll French Toast Casserole

Wild Rice Casserole

Nutty wild rice, mushrooms, and a creamy base come together in this hearty bake. It’s a good option for fall or winter meals, especially when you want something a bit earthy and filling. Add chicken or leave it vegetarian—either way, it holds up well for leftovers. Great alongside roasted vegetables or meat dishes.
Get the Recipe: Wild Rice Casserole

Brocoli Cheese Casserole

This one’s all about creamy, cheesy broccoli baked until bubbly and golden. It’s simple comfort food that works well as a main or side dish. The cheese sauce coats the broccoli perfectly, and a crisp topping gives it texture. A kid-friendly way to serve more greens.
Get the Recipe: Brocoli Cheese Casserole

Broccoli Casserole with Crackers

Broccoli baked in a creamy sauce and topped with crushed buttery crackers for extra crunch. This version skips breadcrumbs for a little more flavor and texture on top. It’s a great side that’s easy to throw together with pantry staples. Even picky eaters tend to go for seconds.
Get the Recipe: Broccoli Casserole with Crackers

Brussel Sprouts Casserole

Brussels sprouts roast until tender and then get baked in a creamy, cheesy sauce. The crispy top contrasts with the soft veggies, and the flavors mellow as they cook. It’s a great side dish for cooler months and pairs well with roasted meats. A different take if you’re tired of plain sprouts.
Get the Recipe: Brussel Sprouts Casserole

Creamy Mushroom Skillet

This one-pan dish features mushrooms in a rich, garlicky cream sauce. It’s quick to make and works well as a side or even a meatless main. Serve it over toast, rice, or pasta—or just eat it straight from the pan. A solid go-to for when you want something cozy.
Get the Recipe: Creamy Mushroom Skillet

Chocolate Chip French Toast Casserole

Classic French toast gets a chocolatey upgrade in this baked breakfast dish. The chocolate chips melt slightly as it bakes, giving it a sweet surprise in every bite. Make it ahead and bake in the morning for a low-stress start to the day. It’s a hit with kids and grownups alike.
Get the Recipe: Chocolate Chip French Toast Casserole

Surprise Potatoes

These creamy, cheesy potatoes have a crispy top and a little something extra baked inside—like ham, green onions, or peppers. The “surprise” is whatever you decide to mix in. They’re easy to customize and perfect as a side or even a main. A fun twist on a potato bake classic.
Get the Recipe: Surprise Potatoes