15 Delicious Vegetarian Recipes That Feel Like a Treat

Casseroles are a simple way to make hearty, satisfying meals, and this roundup is full of vegetarian and breakfast options that are easy to love. From cheesy veggie bakes to make-ahead egg dishes, each recipe uses approachable ingredients and straightforward steps to deliver maximum flavor. Perfect for weeknight dinners, brunch, or holiday gatherings, these casseroles prove that comfort food can be wholesome, creative, and effortlessly delicious. Whether you’re cooking for yourself or feeding a crowd, there’s something here for everyone.

Cheesy Vegetable Casserole

A plate of creamy vegetable casserole with carrots, broccoli, and cauliflower, served with slices of bread on a wooden table. A fork rests on the plate. — Cheesy Vegetable Casserole. Photo credit: Xoxo Bella.

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This casserole blends a variety of vegetables in a creamy, cheesy sauce. The cheese melts evenly over the top for a golden finish. Vegetables stay tender without becoming mushy. It’s a hearty side or vegetarian main dish.
Get the Recipe: Cheesy Vegetable Casserole

Vegan Potato Casserole

A wooden spoon holds a serving of scalloped potatoes topped with a creamy, orange-colored sauce and garnished with chopped herbs. — Vegan Potato Casserole. Photo credit: MOON and spoon and yum.

This casserole layers potatoes with plant-based cream and seasonings. Baking creates a soft, creamy interior with a lightly golden top. Each slice holds its shape. It’s simple yet flavorful without dairy.
Get the Recipe: Vegan Potato Casserole

Vegetarian Enchilada Casserole

This casserole layers tortillas, beans, vegetables, and enchilada sauce. Cheese melts throughout for richness. The vegetables remain tender while absorbing flavor. It’s easy to portion for serving.
Get the Recipe: Vegetarian Enchilada Casserole

Vegetarian Tater Tot Casserole

A white baking dish filled with tater tot casserole, topped with evenly arranged tater tots and garnished with chopped parsley, sits on a pink cloth. — Vegetarian Tater Tot Casserole. Photo credit: Urban Farmie.

This casserole uses tater tots to top a savory vegetable base. The tots crisp slightly during baking. Vegetables and sauce stay creamy underneath. Each portion is satisfying and flavorful.
Get the Recipe: Vegetarian Tater Tot Casserole

Air Fryer Egg Casserole

A baked casserole dish filled with browned, cheesy stuffed shells covered in marinara sauce sits on a light surface. — Air Fryer Egg Casserole. Photo Credit: Splash of Taste.

This egg casserole cooks quickly in the air fryer. The eggs set evenly without drying out. Vegetables, cheese, or meats can be added for flavor. It’s easy to slice and serve for breakfast or brunch.
Get the Recipe: Air Fryer Egg Casserole

Air Fryer Green Bean Casserole

This casserole crisps green beans and topping quickly in the air fryer. The sauce remains creamy while beans stay tender. A crunchy topping adds texture. It’s a fast alternative to classic oven-baked casseroles.
Get the Recipe: Air Fryer Green Bean Casserole

Almond, cranberry and sweet potato stuffing casserole

This casserole layers sweet potatoes with stuffing, almonds, and cranberries. Baking melds flavors while keeping textures distinct. The almonds add crunch while cranberries give bursts of sweetness. It’s festive and comforting.
Get the Recipe: Almond, cranberry and sweet potato stuffing casserole

Brioche French Toast Casserole

Close-up of a golden, freshly baked biscuit split open to show its soft, fluffy interior, placed in a white dish. — Brioche French Toast Casserole. Photo credit: Best Clean Eating.

This breakfast casserole uses soft brioche for a custardy texture. Eggs soak into the bread for a creamy interior. Baking browns the top lightly. It’s sweet, soft, and easy to serve for brunch.
Get the Recipe: Brioche French Toast Casserole

Cheesy Brussels Sprouts Casserole

This casserole combines brussels sprouts with a creamy, cheesy sauce. The top browns slightly for texture. The sprouts stay tender yet firm. It’s flavorful, cheesy, and easy to portion.
Get the Recipe: Cheesy Brussels Sprouts Casserole

Cheesy Mashed Potato Casserole

This casserole layers creamy mashed potatoes with cheese. The top browns lightly in the oven. The interior stays soft and fluffy. Each serving is rich and comforting.
Get the Recipe: Cheesy Mashed Potato Casserole

Chile Relleno Casserole

A baked cheesy dip topped with sliced jalapeños in a white dish next to a bowl of tortilla chips. — Chile Relleno Casserole. Photo credit: Upstate Ramblings.

This casserole layers roasted peppers with cheese, sauce, and other fillings. Baking melds the flavors while keeping the peppers tender. Cheese melts evenly throughout. Each slice is hearty and flavorful.
Get the Recipe: Chile Relleno Casserole

Corn Casserole

A baked casserole topped with melted cheese, partially served to reveal a filling of corn and other ingredients, in a white oval baking dish on a wooden board. — Corn Casserole. Photo credit: Splash of Taste.

This casserole combines whole corn, creamed corn, and seasonings. Baking creates a soft, cohesive texture with a slightly golden top. Sweetness and savory notes balance in every bite. It’s simple and crowd-pleasing.
Get the Recipe: Corn Casserole

Crock Pot Hawaiian Roll French Toast Casserole

This sweet breakfast casserole uses Hawaiian rolls for a soft, custardy base. Eggs and milk soak the rolls overnight or before cooking. Baking or crockpot slow cooking sets the custard. The top browns slightly for texture.
Get the Recipe: Crock Pot Hawaiian Roll French Toast Casserole

Crockpot Broccoli Casserole

This broccoli casserole cooks gently in a slow cooker. Cheese and sauce blend into a creamy base. Broccoli stays tender without getting mushy. It’s easy to serve straight from the crockpot.
Get the Recipe: Crockpot Broccoli Casserole

Egg Casserole – Make Ahead Breakfast

This casserole layers eggs, vegetables, cheese, or meats. It can be prepared the night before and baked in the morning. Eggs set evenly while staying moist. Portions slice cleanly for quick breakfasts.
Get the Recipe: Egg Casserole – Make Ahead Breakfast