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Looking to elevate your mornings with hearty, nourishing, and meat-free meals?
These 30+ vegetarian breakfast casserole recipes are just what your breakfast table needs.
Packed with colorful vegetables, protein-rich ingredients like eggs, cheese, tofu, and legumes, these casseroles are more than just convenient—they’re crave-worthy.
Whether you’re planning a make-ahead weekday breakfast, a lazy Sunday brunch, or feeding a holiday crowd, vegetarian breakfast casseroles offer the perfect balance of simplicity and flavor.
From classic hashbrown layers to crustless veggie bakes and dairy-free options, each recipe is designed to satisfy and impress.
So grab your casserole dish and get inspired by a collection that blends comfort, health, and versatility in every bite.
30+ Healthy & Hearty Vegetarian Breakfast Casserole Recipes for Easy Mornings
From rich, cheesy classics to lighter veggie-forward bakes, these 30+ vegetarian breakfast casserole recipes are perfect for any time of the year.
Whether you’re prepping ahead for busy mornings or entertaining a brunch crowd, you’ll find a flavorful, satisfying option for every taste and diet.
Bookmark this collection and revisit it anytime you need a meatless breakfast that doesn’t skimp on flavor or heartiness.
Garden Morning Bake
Wake up to the vibrant aroma of sautéed bell peppers, caramelized onions, and earthy mushrooms mingling in a warm, cheesy embrace.
This hearty Garden Morning Bake is layered with tender potatoes, gooey cheddar, and fluffy eggs, creating a rich texture that satisfies every bite.
Its colorful medley not only looks beautiful on your breakfast table but pairs effortlessly with a light salad or stands deliciously on its own.
Perfect for weekend brunches or weekday meal prep, this casserole celebrates the freshness of the garden in every mouthful.
Savory Sunrise Strata
Imagine pulling a golden, puffed casserole from the oven, its top crisp and buttery, its center bursting with spinach, sun-dried tomatoes, and sourdough soaked in herbed egg custard.
The Savory Sunrise Strata fills your kitchen with an irresistible, toasty aroma that promises comfort and nourishment.
Soft yet slightly crunchy, this versatile dish is satisfying enough to stand solo or make the perfect sidekick to fresh fruit or a zesty smoothie.
Every forkful delivers bold flavors and textures that are both rustic and refined—ideal for any morning gathering.
Zucchini Herb Delight
Light, fluffy, and packed with tender shredded zucchini, this Zucchini Herb Delight is a fresh twist on the traditional breakfast casserole.
Infused with fragrant thyme, garlic, and creamy feta, it boasts a subtle tang and a moist, melt-in-your-mouth texture.
Whether served as a savory star at brunch or paired with a crisp slice of toast for lunch, this dish offers clean flavors with comforting depth.
A celebration of simplicity and freshness, it’s a versatile go-to for any time of day.
Cheddar Veggie Medley
Layered with golden roasted potatoes, vibrant broccoli, and sweet red bell peppers, the Cheddar Veggie Medley is a comfort casserole with a twist.
Sharp cheddar cheese bubbles over the top, creating a crisp crust that yields to a creamy, vegetable-filled center.
Each bite offers a symphony of flavors—earthy, cheesy, and slightly sweet—making it the perfect standalone dish or a hearty complement to lighter fare.
It’s a must-have for potlucks, lazy Sundays, or anytime you want a warm, satisfying start to your day.
Spinach Ricotta Bake
Silky ricotta, sautéed spinach, and nutmeg come together in this rich and elegant Spinach Ricotta Bake.
The texture is velvety with just the right amount of golden crisp on top, while the flavor is deeply savory with a gentle herbal lift.
Whether served in generous squares or dainty slices, it shines equally as a centerpiece or a graceful side.
Its refined simplicity and warming aroma make it a comforting dish for breakfast, brunch, or an afternoon pick-me-up.
Mushroom Swiss Casserole
Earthy mushrooms, mellow Swiss cheese, and caramelized shallots make the Mushroom Swiss Casserole a show-stopping vegetarian favorite.
The aroma is warm and buttery, hinting at the rich, umami-packed bite that awaits.
With a tender egg base and toasted bread cubes throughout, it offers just the right mix of creamy and crisp.
Serve it alongside fresh greens or enjoy it as a stand-alone indulgence—either way, this casserole satisfies on every level.
Veggie Hash Crust
Warm hash‑brown crust gives way to vibrant layers of sautéed onions, bell peppers, mushrooms, and gooey cheddar in this Veggie Hash Crust casserole.
Each forkful offers a crisp, golden edge that transitions to a soft, cheesy center—an irresistible contrast of textures.
This dish shimmers with savory aromas and is versatile enough to shine solo or alongside fresh fruit and yogurt.
Based on a crowd‑pleasing version from Eating Bird Food
Roasted Veggie Bake
Earthy roasted vegetables and melty cheese merge in the comforting Roasted Veggie Bake.
Hints of caramelized onions and tender broccoli linger in the air, while the heart of the casserole feels soft and indulgent.
Simple yet soulful, it pairs beautifully with a crisp side salad or stands on its own.
Inspired by the recipe at Well Plated
Colorful Crustless
Bright chunks of zucchini, onion, tomatoes, and basil create a beautiful Colorful Crustless casserole.
Its tender, quiche‑like texture is laced with fresh herb and subtly creamy cheese notes—aromatic and light.
Ideal for slicing and serving at brunch or packing for grab‑and‑go breakfasts.
Adapted from Get Inspired Everyday
Healthy Pepper Spinach
Sweet red peppers, wilted spinach, and creamy feta entwine in this Healthy Pepper Spinach bake.
Soft eggs cradle the vegetables, delivering a mellow creaminess that’s accentuated by a faint tang and bright pepper aroma.
Perfect as a nourishing main or alongside crusty toast.
From Cookie and Kate’s wholesome collection
Make‑Ahead Veggie
Packed with broccoli, mushrooms, cherry tomatoes, spinach, and cheddar, the Make‑Ahead Veggie bake is colorful and satisfying.
Sauteed veggies release an inviting aroma that blends with melted cheese and fluffy eggs in a rich, vibrant harmony.
Prep it the night before and awaken to a warm, wholesome breakfast.
Featured on Primavera Kitchen
Vegan Sausage Hash
This Vegan Sausage Hash casserole layers hash browns, vegan sausage, vibrant peppers, and fluffy JUST Egg for an unforgettable morning meal.
Smoky “sausage,” tender potatoes, and crisp peppers fuse with the plant-based “eggs,” offering a hearty texture that satisfies.
Delicious on its own or served with vegan yogurt or fruit salad.
Based on the recipe from Nora Cooks
Classic Veggie Bake
A comforting blend of sautéed mushrooms, tender spinach, and melty cheese layered into stale-bread cubes—this Classic Veggie Bake emerges from the oven with a crisp, golden top giving way to a soft, custardy center.
The scent of garlic and thyme mingles beautifully with melted Gruyère, making it a perfect stand-alone star or a savory side for fresh fruit or yogurt.
Based on the beloved recipe from Food Network Kitchen
Tater Tot Casserole
Imagine crispy tater tots forming a crunchy, golden base topped with sweet peppers, mushrooms, gooey cheese, and a fluffy egg-milk custard—this Tater Tot Casserole bursts with textures and warmth.
Each bite blends crisp edges and creamy interiors, filling your kitchen with a homey, inviting aroma.
Inspired by the Viral favorite from Vegetable
Croissant Bake
Buttery croissant pieces soak up rich egg custard, then stud the top of this Mushroom Croissant Bake, where earthy mushrooms and nutty Gruyère swirl beneath a crisp, golden crust.
It fills the air with a lavish aroma and offers a flaky-yet-creamy texture perfect for a luxurious brunch or elegant breakfast pairing.
Adapted from a Food Network Kitchen creation .
Overnight Veggie Square
Bright zucchini, juicy tomatoes, aromatic basil, and creamy cheese bind into a quiche-like Overnight Veggie Square that’s colorful, light, and full of garden-fresh flavor.
Silky and sliceable, it’s perfect for prepping ahead and enjoying solo or alongside a crisp salad or fruit bowl.
From Get Inspired Everyday’s easy casserole collection
Hashbrown Sausage Bake
Hearty veggie sausage, tender mushrooms, diced bell peppers, and potatoes are folded into fluffy eggs and cheese in this Hashbrown Sausage Bake—a satisfying, savory symphony.
It’s robust enough to stand alone and versatile enough to shine with crusty toast or a side of fruit.
Sweet Potato Spinach Casserole
In this bright Sweet Potato Spinach Casserole, tender cubes of sweet potato mingle with earthy spinach and mushrooms, all held together by creamy eggs and a hint of Italian seasoning.
The result is a vibrant, wholesome dish that’s equally happy as a solo morning treat or as a hearty side at brunch.
Inspired by the wholesome recipe from
Spinach Mushroom Strata
Earthy mushrooms and tender spinach nestle in between cubes of crusty bread and silky egg custard in this Spinach Mushroom Strata.
The aroma of sautéed garlic and herbs melds with a crunchy bread-top that gives way to a moist, custardy center.
It’s marvelous on its own, yet elegantly enhanced by fresh fruit or a simple side salad.
Roasted Veggie Delight
Bright roasted peppers, caramelized onions, tender zucchini, and gooey cheese come together in this Roasted Veggie Delight.
With every bite, you’ll taste the subtle sweetness of roasted veggies contrasted by a creamy, melty interior and fragrant herb notes.
Perfect solo or alongside crusty toast, it’s a colorful companion to any brunch spread.
Inspired by the robust version at Well Plated
Mushroom Croissant Bake
Buttery croissant pieces soak in a savory custard with mushrooms, Gruyère, and thyme in this luxurious Mushroom Croissant Bake.
The crisp pastry top crackles under your fork, revealing a rich, creamy interior bursting with umami depth.
Rich enough to shine on its own, yet effortlessly upscale when served with mixed greens.
From Food Network’s elegant brunch offerings .
Hash Brown Veggie Bake
Crispy hash‑brown crust gives way to vibrant peppers, mushrooms, spinach, and melty cheese in the Hash Brown Veggie Bake.
The initial crunch opens up to a warm, cheesy, vegetable‑packed core—and a mouthwatering scent of skillet‑seared veggies.
Ideal as a hearty main or alongside a dollop of yogurt or fruit salad.
Based on Eating Bird Food’s crowd‑pleasing recipe
Easy Veggie Breakfast
A rainbow of zucchini, tomato, basil, and cheese melds seamlessly in this light, crustless Easy Veggie Breakfast.
Soft, quiche‑like texture with fresh herb and tomato fragrance, it’s refreshing yet satisfying.
Lovely as is or with a crisp green salad for a light brunch.
From Get Inspired Everyday’s easy-bake collection
Make-Ahead Veggie
Loaded with broccoli, mushrooms, cherry tomatoes, spinach, and cheese, this Make‑Ahead Veggie casserole is colorful and hearty.
Warm, aromatic vegetables combine with creamy custard to create a comforting texture that balances crunch and softness.
Prep it the night before and enjoy a delicious, fuss-free breakfast or brunch.
Featured on Primavera Kitchen as a versatile morning staple
Classic Casserole
Imagine roasted Yukon Gold potatoes forming a golden, crispy bed under vibrant veggies and bubbles of melted cheddar in this Classic Casserole.
Its aroma of sautéed onions, peppers, spinach, and garlic fills the air, while its fluffy egg-and-milk custard holds it all together.
Perfect as a stand-alone breakfast or alongside fresh fruit, this make-ahead dish from Love & Lemons is both hearty and crowd-pleasing
Overnight Strata
Layers of crusty baguette, sautéed shallots, chard, and aged cheddar or Gruyère meld overnight in this Overnight Strata.
By breakfast, it’s irresistibly puffed, soft, and cheesy, with tender bread cubes soaking up savory custard.
It stands beautifully on its own or alongside a crisp salad—ideal for holiday brunches or leisurely mornings
Veggie Quiche‑Bake
Bursting with zucchini, onion, tomatoes, basil, and optional cheeses, the Veggie Quiche‑Bake resembles a crustless, vegetable-studded quiche.
Bright, fresh herb aromas and silky textures make it feel light while still satisfying.
Meal-prep friendly and colorful, it’s a breakfast showstopper straight from Get Inspired Everyday!
Hashbrown Spinach Bake
A layer of crispy hashbrown hides tender spinach, onion, bell peppers, and creamy eggs in this Hashbrown Spinach Bake.
The contrast between golden edges and soft, veggie-filled center delivers both comfort and freshness.
Makes a perfect holiday breakfast or simple weeknight brunch, and reheats wonderfully—originally from Marisa Moore Nutrition
Veggie Sausage Bake
Smoky plant-based sausage and sautéed mushrooms and peppers mingle with fluffy eggs, cheese, and hashbrowns in this Veggie Sausage Bake.
It gives off a warm, savory aroma and delivers a hearty, textural symphony ideal for meat-free mornings.
A wholesome, make-ahead crowd-pleaser from Cozy Peach Kitchen
Spinach Cheese Strata
Bread cubes soaked in cheesy custard blend with spinach, Gruyère, Parmesan, and a hint of Dijon in this Spinach Cheese Strata.
Baked until puffed and golden, it offers luxurious, soufflé-like texture that’s elegant yet comforting.
Fabulous on its own or with a fruity side, from Once Upon a Chef’s brunch repertoire
Tater-Tot Casserole
Crispy tater-tots create a golden, crunchy base beneath layers of sweet peppers, mushrooms, gooey cheese, and silky egg custard in this Tater‑Tot Casserole.
The edges crackle delightfully, while the interior stays lush and savory, filling your kitchen with a warm, comforting aroma.
Versatile and hearty, it’s as perfect on its own for a cozy morning as it is paired with fresh fruit or yogurt.
Based on a sure-fire favorite from Vegetable Recipes
Zucchini Veggie Bake
A colorful blend of zucchini, onion, tomatoes, basil, and optional cheese flavors this crustless, quiche-style Zucchini Veggie Bake.
Its tender texture carries bright garden aromas, finishing with creamy richness that’s both light and deeply satisfying.
Ideal for meal-prep breakfasts or a leisurely weekend brunch beside a crisp green salad.
Inspired by the veggie-packed hit on Get Inspired Everyday
Hashbrown Spinach Bake
Golden hashbrowns form a crispy foundation under tender spinach, red bell pepper, onion, and creamy eggs in this Hashbrown Spinach Bake.
Each bite balances crunch and soft custard, with fragrant garlic and pepper dancing through the warm aroma.
Perfect as a stand-alone delight or served alongside a zesty arugula salad.
Featured by Marisa Moore Nutrition
Roasted Veggie Casserole
Roasted vegetables and melted cheese meld into a rich, savory masterpiece in this Roasted Veggie Casserole.
Earthy caramelized onions, tender zucchini, and sweet peppers fill each bite with layered depth and a comforting aroma that invites you in.
Bright and flavorful, it stands beautifully on its own or alongside crusty toast.
Adapted from the wholesome recipe on Well Plated
Veggie Sausage Bake
Smoky plant-based sausage, sautéed mushrooms and peppers, fluffy eggs, cheese, and crispy hashbrowns mix into a robust Veggie Sausage Bake.
The warm, savory scent of sausage and mushrooms mingles with melted cheese for a satisfying textural harmony.
Versatile enough to star solo or pair with fruit and yogurt for a full brunch spread.
From Cozy Peach Kitchen’s make-ahead collection
Sweet Potato Ricotta Bake
Roasted sweet potatoes, cremini mushrooms, broccoli, red peppers, and creamy ricotta unite in this vibrant Sweet Potato Ricotta Bake.
Its earthy sweetness and gently tangy cheese create a moist, flavorful centerpiece with a gorgeous aroma of herbs and roasted veggies.
Hearty enough to enjoy by itself, yet lovely when served with fresh basil–dressed salad.
Inspired by the wholesome recipe on
Conclusion
Who says breakfast can’t be both nourishing and indulgent? These 30+ vegetarian breakfast casseroles prove that meat-free mornings are far from boring.
Bursting with color, texture, and comforting flavors, each recipe invites you to slow down, savor the moment, and maybe even share a slice with someone you love.
Whip one up and let your kitchen fill with the aroma of good food and better mornings.
