15 Breakfast Casseroles You Can Make Once and Eat All Week

Mornings feel smoother when breakfast is already waiting in the fridge, and these 15 casseroles are built for make-ahead ease. Each recipe bakes in solid portions that hold up well for reheating. You get sweet and savory options that stay satisfying through the week. A ready breakfast sets a steady pace for busy days.

A casserole dish of cheesy baked egg and sausage breakfast casserole, one of the most comforting breakfast casseroles, topped with chopped green onions. — Overnight Brie and Sausage Breakfast Casserole. Photo credit: Butter and Baggage.

Eggnog French Toast Casserole

Two slices of bread pudding stacked, topped with whipped cream, cinnamon, and powdered sugar on a plate. — Eggnog French Toast Casserole. Photo credit: Thermocookery.

Eggnog French Toast Casserole is a baked breakfast that cooks in about 40 minutes with bread, eggnog, and eggs. The custard soaks into the bread as it bakes. Each bite tastes sweet and warmly spiced. The texture stays soft and tender.
Get the Recipe: Eggnog French Toast Casserole

Gingerbread Loaf Casserole

A plate of bread pudding topped with two dollops of whipped cream. A fork rests on the plate. In the background, a baking dish with more bread pudding is partially visible on a marble surface. Decorative items are placed around. — Gingerbread Loaf Casserole. Photo credit: Thermocookery.

Gingerbread Loaf Casserole is a sweet bake ready in about 45 minutes with gingerbread batter, flour, and spices. The mixture rises into a soft sliceable loaf. Each bite tastes sweet and spiced. The crumb stays moist and soft.
Get the Recipe: Gingerbread Loaf Casserole

Savory French Toast Casserole with Bacon

A baked egg and bread casserole in a rectangular metal pan, garnished with chopped green onions. A black and white checkered cloth is partially visible in the background. — Savory French Toast Casserole with Bacon. Photo credit: Thermocookery.

Savory French Toast Casserole with Bacon cooks in about 40 minutes with bread, eggs, and bacon. The ingredients set into firm slices. Each bite tastes savory and smoky. The texture stays soft with crisp edges.
Get the Recipe: Savory French Toast Casserole with Bacon

Crustless Zucchini Quiche

A slice of vegetable frittata topped with grated cheese and parsley sits on a floral plate. A fork is positioned beside the frittata, and another piece of parsley lies on the plate. — Crustless Zucchini Quiche. Photo credit: Thermocookery.

Crustless Zucchini Quiche bakes in about 35 minutes with zucchini, eggs, and cheese. The mixture firms as it cooks. Each bite tastes savory and mild. The interior stays soft and custardy.
Get the Recipe: Crustless Zucchini Quiche

Texas French Toast Casserole with Leftover Turkey

A person is using a spatula to serve a portion of baked mashed potato casserole from a metal baking dish. The casserole is topped with melted cheese and sprinkled with herbs. — Texas French Toast Casserole with Leftover Turkey. Photo credit: Thermocookery.

Texas French Toast Casserole with Leftover Turkey cooks in about 40 minutes with bread, turkey, and eggs. The custard binds the filling as it bakes. Each bite tastes savory and hearty. The texture stays tender and filling.
Get the Recipe: Texas French Toast Casserole with Leftover Turkey

Breakfast Rutabaga Casserole

A baked dish, possibly a frittata or omelet, with slices of fruit on top, sits in a black cast iron skillet on a wooden surface. A white cloth with a black deer illustration is partially visible beside it. — Breakfast Rutabaga Casserole. Photo credit: Thermocookery.

Breakfast Rutabaga Casserole is a baked dish ready in about 40 minutes with rutabaga, eggs, and seasoning. The vegetables soften in the oven. Each bite tastes savory and mild. The casserole stays soft and warm.
Get the Recipe: Breakfast Rutabaga Casserole

Chicken Hash Brown Casserole

A dish in a black baking pan filled with baked casserole. The top is golden brown with crispy edges and garnished with sliced green onions. A portion has been removed, revealing a creamy interior. — Chicken Hash Brown Casserole. Photo credit: Thermocookery.

Chicken Hash Brown Casserole bakes in about 45 minutes with chicken, hash browns, and cheese. The ingredients melt together as they cook. Each bite tastes savory and cheesy. The texture stays soft and filling.
Get the Recipe: Chicken Hash Brown Casserole

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Pecan French Toast Casserole

A slice of French toast on a white plate is topped with whipped cream, pecans, a dusting of cinnamon, and drizzled with syrup. — Pecan French Toast Casserole. Photo credit: Thermocookery.

Pecan French Toast Casserole cooks in about 40 minutes with bread, eggs, and pecans. The topping browns as it bakes. Each bite tastes sweet and nutty. The interior stays soft and custardy.
Get the Recipe: Pecan French Toast Casserole

Slow Cooker Apple Pie Cinnamon Roll Casserole

A slice of apple pie with whipped cream on top, served on a white plate with apples in the background. — Slow Cooker Apple Pie Cinnamon Roll Casserole. Photo credit: Thermocookery.

Slow Cooker Apple Pie Cinnamon Roll Casserole cooks for about 3 hours with cinnamon rolls and apples. The filling softens as it heats. Each bite tastes sweet and fruity. The texture stays soft and sticky.
Get the Recipe: Slow Cooker Apple Pie Cinnamon Roll Casserole

Veggie Croissant Breakfast Casserole

Baked egg casserole with cherry tomatoes, avocado slices, and fresh herbs in a blue cast iron dish. — Veggie Croissant Breakfast Casserole. Photo credit: Thermocookery.

Veggie Croissant Breakfast Casserole bakes in about 35 minutes with croissants, vegetables, and eggs. The croissants absorb the custard. Each bite tastes savory and balanced. The texture stays soft and flaky.
Get the Recipe: Veggie Croissant Breakfast Casserole

Slow Cooker Sausage Biscuit Gravy Casserole

A plate of crispy roasted potatoes topped with creamy sauce and herbs, on a red checkered napkin. — Slow Cooker Sausage Biscuit Gravy Casserole. Photo credit: Thermocookery.

Slow Cooker Sausage Biscuit Gravy Casserole cooks for about 4 hours with sausage, biscuits, and gravy. The ingredients blend into a thick bake. Each bite tastes savory and rich. The texture stays soft and hearty.
Get the Recipe: Slow Cooker Sausage Biscuit Gravy Casserole

Berry Croissant French Toast Bake

Close-up of a baked dessert topped with powdered sugar, featuring blackberries, raspberries, and blueberries. The dish is in a rectangular baking pan, with visible golden-brown edges and drizzles of cream or sauce. — Berry Croissant French Toast Bake. Photo credit: Thermocookery.

Berry Croissant French Toast Bake bakes in about 40 minutes with croissants, berries, and eggs. The fruit softens as it cooks. Each bite tastes sweet and lightly tart. The interior stays soft and custardy.
Get the Recipe: Berry Croissant French Toast Bake

Pancake Breakfast Casserole

Baked casserole topped with melted cheese and chopped pieces of ham in a white rectangular dish. — Pancake Breakfast Casserole. Photo credit: Thermocookery.

Pancake Breakfast Casserole cooks in about 30 minutes with pancakes, eggs, and syrup. The mixture sets into sliceable portions. Each bite tastes sweet and mild. The texture stays soft and fluffy.
Get the Recipe: Pancake Breakfast Casserole

Corned Beef Casserole

A close-up of a cheesy tuna noodle casserole slice, reminiscent of comforting breakfast casseroles, served on a white plate. — Corned Beef Casserole. Photo credit: CopyKat Recipes.

Corned Beef Casserole brings together tender bits of corned beef with fluffy eggs, golden potatoes, and melty cheese for a hearty dish that tastes even better reheated. Inspired by the vintage favorite, it’s the kind of comfort meal you’ll love waking up to — rich in flavor and so easy to portion into weekday breakfasts.
Get the Recipe: Corned Beef Casserole

Overnight Brie and Sausage Breakfast Casserole

This Overnight Brie and Sausage Breakfast Casserole is cozy yet elegant, with crumbled breakfast sausage, creamy pockets of brie, and layers of bread soaked in savory egg custard. Letting it rest overnight means you wake up to a casserole that’s perfectly set and rich in flavor without any morning fuss.
Get the Recipe: Overnight Brie and Sausage Breakfast Casserole