23 Thanksgiving Casseroles You Can Prep the Night Before

Thanksgiving morning doesn’t need to feel like a rush. These 23 casseroles let you do the work ahead of time, so all that’s left is to bake and serve. From creamy vegetables to savory breakfasts and meaty mains, each recipe delivers flavor that holds up overnight. Prep them now, relax tomorrow, and focus on the parts of Thanksgiving that matter most.

Golden biscuits on creamy chicken pot pie filling with vegetables in a baking pan, one biscuit being served. — Pillsbury Chicken Pot Pie Casserole. Photo credit: Thermocookery.

Green Bean Casserole

A casserole dish filled with cooked green beans and thin, crispy French fries, with a spoon lifting a portion of the mixture. Some fries and beans are coated in a dark sauce. — Green Bean Casserole. Photo credit: Thermocookery.

Green Bean Casserole takes about 40 minutes and combines green beans, creamy sauce, and crispy onions. The flavor is savory and classic with just the right crunch. It holds up well when refrigerated and reheats beautifully. A dependable side that’s made for Thanksgiving tables.
Get the Recipe: Green Bean Casserole

Easy Moussaka

Close-up of a baked casserole dish featuring layers of cheese with crispy golden edges, topped with fresh green herbs. — Easy Moussaka. Photo credit: Thermocookery.

Easy Moussaka bakes in 45 minutes with layers of eggplant, ground beef, and creamy sauce. The taste is hearty and balanced, with mild spices and tender vegetables. It keeps well overnight and reheats without losing texture. A Mediterranean twist that still fits the comfort food spirit.
Get the Recipe: Easy Moussaka

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 bakes in 40 minutes and uses bread, eggs, cheese, and smoky bacon. The flavor is salty, rich, and satisfying with a soft texture. It can be assembled the night before and baked fresh in the morning. Perfect for an easy holiday breakfast.
Get the Recipe: Savory French Toast Casserole with Bacon

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 takes about 45 minutes and layers bread, eggs, and caramelized pecans. The flavor is sweet and buttery, with a crisp top and soft center. It’s ideal for prepping ahead and baking while guests gather. A brunch-worthy addition to Thanksgiving morning.
Get the Recipe: Pecan French Toast Casserole

My Grandmother's Recipe for Carrot Casserole

A delightful slice of carrot cake with a dollop of whipped cream graces a decorative black and white plate. A fork rests invitingly on the cake while a white and blue cup peeks from the background, almost like the perfect ending to a recipe for an unforgettable carrot casserole. — My Grandmother's Recipe for Carrot Casserole. Photo credit: Thermocookery.

My Grandmother’s Recipe for Carrot Casserole bakes in 35 minutes and combines carrots, breadcrumbs, and simple seasonings. The flavor is mild and slightly sweet, with a soft, comforting texture. It’s a nostalgic dish that keeps well in the fridge. Perfect for adding color and warmth to the table.
Get the Recipe: My Grandmother's Recipe for Carrot 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 takes 45 minutes and layers buttery croissants, eggs, and berries. The flavor is rich and fruity with a custard-like texture. It can chill overnight to enhance its taste. A make-ahead breakfast casserole that feels like dessert.
Get the Recipe: Berry Croissant French Toast Bake

Homemade Corn Casserole

Two rectangular slices of light golden-brown cake with a slightly crumbly texture are placed side by side on a patterned plate. — Homemade Corn Casserole. Photo credit: Thermocookery.

Homemade Corn Casserole bakes in 40 minutes and uses corn, eggs, and butter for a soft, custardy texture. The flavor is naturally sweet with a creamy finish. It stores well and reheats easily. A timeless side dish that rounds out any Thanksgiving spread.
Get the Recipe: Homemade Corn Casserole

Cheesy Cabbage Casserole with Cracker Topping (No Canned Soup)

A close-up image of a casserole dish filled with a cheesy cabbage casserole. The top is golden brown and crispy, with a serving spoon lifting a portion, revealing melted cheese and tender cabbage underneath. — Cheesy Cabbage Casserole with Cracker Topping (No Canned Soup). Photo credit: Thermocookery.

Cheesy Cabbage Casserole with Cracker Topping takes about 40 minutes and blends cabbage, cheese, and a crunchy top. The flavor is creamy and mild with a satisfying bite. It holds up overnight and crisps again when baked. A reliable, low-cost side dish that always disappears first.
Get the Recipe: Cheesy Cabbage Casserole with Cracker Topping (No Canned Soup)

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 35 minutes and mixes shredded potatoes, chicken, and cheese. The flavor is hearty and balanced with a creamy base. It can be prepped early and stored until baking. An easy main dish that works for brunch or dinner.
Get the Recipe: Chicken Hash Brown Casserole

Sweet Potato Stuffing

A baking dish filled with a baked oat and fruit mixture, topped with a sprig of rosemary. A spoon rests in the dish. Oats and cranberries are scattered on the table, and a small bowl of cranberries is visible in the background. — Sweet Potato Stuffing. Photo credit: Thermocookery.

Sweet Potato Stuffing takes 40 minutes and combines cubed sweet potatoes, bread, and herbs. The flavor is savory with a hint of sweetness and soft, toasty texture. It’s easy to make a day ahead and bake just before serving. A creative take on a holiday classic.
Get the Recipe: Sweet Potato Stuffing

Salmon Sheet Pan Casserole Recipe

A baking tray displays roasted cauliflower florets, lemon slices, and olives alongside a piece of salmon. A small bowl of olives and another with a dark sauce are placed nearby on a burlap-covered surface. — Salmon Sheet Pan Casserole Recipe. Photo credit: Thermocookery.

Salmon Sheet Pan Casserole cooks in 30 minutes and features salmon, cauliflower, and herbs. The flavor is clean and savory with light roasted notes. It refrigerates well and tastes just as good reheated. A fresh, protein-rich option for a lighter Thanksgiving plate.
Get the Recipe: Salmon Sheet Pan Casserole Recipe

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Ground Beef Zucchini and Rice Casserole

Close-up of a cheesy zucchini casserole being served with a spoon. The dish features layers of melted cheese, sliced zucchini, ground meat, and herbs, with a golden-brown crust. — Ground Beef Zucchini and Rice Casserole. Photo credit: Thermocookery.

Ground Beef Zucchini and Rice Casserole bakes in 40 minutes and combines beef, rice, and diced zucchini. The taste is savory and well-balanced with a soft, satisfying texture. It’s perfect to prep and reheat for last-minute guests. A crowd-friendly meal that fits any holiday menu.
Get the Recipe: Ground Beef Zucchini and Rice Casserole

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 takes 45 minutes and turns bread and turkey into a savory breakfast bake. The flavor is rich and comforting with subtle spice. It’s easy to assemble the night before and bake fresh. A smart way to repurpose leftovers without effort.
Get the Recipe: Texas French Toast Casserole with Leftover Turkey

Roasted Cauliflower Bake in Green Herb Sauce

A baked dish with roasted cauliflower florets covered in a green herb sauce is displayed in a white ceramic baking dish. A sprig of fresh parsley garnishes the top. A small bowl of olive oil and a few scallions are placed beside the dish. — Roasted Cauliflower Bake in Green Herb Sauce. Photo credit: Thermocookery.

Roasted Cauliflower Bake in Green Herb Sauce bakes in 30 minutes and blends cauliflower with a bright, herby dressing. The flavor is fresh and lightly tangy. It reheats beautifully while keeping its texture. A simple, colorful side that adds contrast to the table.
Get the Recipe: Roasted Cauliflower Bake in Green Herb Sauce

Cheesy Easy Cauliflower Casserole

A baked dish with a large serving of cheesy cauliflower in a glass baking dish is next to a white plate holding a portion of the same dish. The background is a light wooden surface. A fork is visible beside the plate. — Cheesy Easy Cauliflower Casserole. Photo credit: Thermocookery.

Cheesy Easy Cauliflower Casserole takes 30 minutes and mixes cauliflower, cheese, and herbs. The flavor is mild and creamy with golden edges. It keeps well in the fridge and reheats without drying out. A dependable side dish that pairs with any main.
Get the Recipe: Cheesy Easy Cauliflower Casserole

Creamy Vegan Broccoli Casserole

A black plate with a serving of broccoli casserole, topped with breadcrumbs. A fork rests on the plate. The background is a marble surface, with some green plant decorations partially visible. — Creamy Vegan Broccoli Casserole. Photo credit: Thermocookery.

Creamy Vegan Broccoli Casserole bakes in 35 minutes and uses broccoli, plant-based milk, and a crisp topping. The flavor is mild and comforting with a smooth, creamy texture. It’s perfect for guests with dietary restrictions. A plant-based option that still feels traditional.
Get the Recipe: Creamy Vegan Broccoli Casserole

Cheesy Zucchini Casserole

A baked dish with a golden-brown crumb topping is in a rectangular baking dish, which has a white and blue checkered cloth nearby. A serving is on a round plate to the right. The surface is a light marble texture. — Cheesy Zucchini Casserole. Photo credit: Thermocookery.

Cheesy Zucchini Casserole bakes in 30 minutes and combines zucchini, cheese, and breadcrumbs. The taste is mild and savory with a crisp top. It’s easy to assemble the night before and bake before serving. A simple way to make vegetables holiday-worthy.
Get the Recipe: Cheesy Zucchini Casserole

Chicken and Rice Casserole with Minute Rice

A plate of cheesy vegetable casserole with broccoli, peas, and cauliflower, with a fork lifting a bite. — Chicken and Rice Casserole with Minute Rice. Photo credit: Thermocookery.

Chicken and Rice Casserole with Minute Rice bakes in 40 minutes using chicken, rice, and light seasoning. The flavor is savory and balanced, with tender grains that absorb every bit of sauce. It’s an ideal prep-ahead dinner for busy holiday mornings. A classic comfort dish everyone enjoys.
Get the Recipe: Chicken and Rice Casserole with Minute Rice

Sweet Potato Casserole With Marshmallows and Pecans

Baked sweet potato casserole topped with toasted marshmallows in a round dish, partially eaten, with a metal serving spoon visible. — Sweet Potato Casserole With Marshmallows and Pecans. Photo credit: Thermocookery.

Sweet Potato Casserole With Marshmallows and Pecans bakes in 35 minutes and combines mashed potatoes, brown sugar, and toppings. The flavor is sweet and nutty with a golden crust. It can chill overnight and bake up perfectly the next day. A must-have side that doubles as dessert.
Get the Recipe: Sweet Potato Casserole With Marshmallows and Pecans

Sweet Potato Ground Beef Casserole

A baked sweet potato casserole topped with melted cheese and chopped parsley, served in a white rectangular dish on a wooden board. Small bowls of fresh herbs and seasonings are visible in the background. — Sweet Potato Ground Beef Casserole. Photo credit: Thermocookery.

Sweet Potato Ground Beef Casserole cooks in 40 minutes and blends seasoned beef, mashed sweet potatoes, and spices. The taste is savory with a hint of sweetness and a creamy finish. It’s a balanced main that reheats beautifully. A hearty dish that bridges dinner and comfort food.
Get the Recipe: Sweet Potato Ground Beef Casserole

Easy Four Cheese Mac and Cheese

Baked four-cheese macaroni in a rectangular white casserole dish. — Easy Four Cheese Mac and Cheese. Photo credit: Thermocookery.

Easy Four Cheese Mac and Cheese bakes in 30 minutes and mixes pasta with cheddar, mozzarella, and parmesan. The flavor is rich and cheesy with a smooth, creamy texture. It holds perfectly overnight for baking the next day. A guaranteed crowd-pleaser at any gathering.
Get the Recipe: Easy Four Cheese Mac and Cheese

Cheesy Turkey Burrito Casserole

A cheesy slice of layered Mexican casserole being lifted from a baking dish, with melted cheese stretching. — Cheesy Turkey Burrito Casserole. Photo credit: Thermocookery.

Cheesy Turkey Burrito Casserole takes 40 minutes and combines turkey, beans, and cheese under a golden topping. The flavor is bold and comforting with mild spice. It’s simple to prep early and bake fresh for guests. A fun twist for families who love Tex-Mex flavors.
Get the Recipe: Cheesy Turkey Burrito Casserole

Pillsbury Chicken Pot Pie Casserole

Pillsbury Chicken Pot Pie Casserole bakes in 35 minutes with chicken, vegetables, and flaky biscuit topping. The taste is rich, creamy, and familiar, with tender crust on top. It’s easy to assemble ahead and refrigerate until baking. A holiday-ready comfort meal with nostalgic flavor.
Get the Recipe: Pillsbury Chicken Pot Pie Casserole