23 Cozy Winter Casseroles to Use Up Holiday Leftovers

After the holidays wind down, cozy casseroles become the easiest way to turn leftovers into comforting meals everyone actually looks forward to. These winter casseroles are warm, hearty, and built for using up extra turkey, ham, mashed potatoes, veggies, and cheese sitting in the fridge. Each dish brings familiar comfort, rich flavor, and that satisfying feeling of making something delicious without starting from scratch.

Chicken Tetrazzini

Chicken Tetrazzini
Chicken Tetrazzini. Photo credit: Vintage Recipes.

Old-fashioned chicken tetrazzini with pasta, chicken, and mushrooms baked in a creamy sauce for a comforting winter meal.
Get the Recipe: Chicken Tetrazzini

Old-Fashioned Shepherd’s Pie

Old-fashioned Shepherd's Pie
Old-Fashioned Shepherd’s Pie. Photo credit: Vintage Recipes.

Hearty shepherd’s pie made with seasoned ground beef, sautéed vegetables, rich gravy, and creamy mashed potatoes baked until golden.
Get the Recipe: Old-Fashioned Shepherd’s Pie

Shipwreck Casserole

Shipwreck Casserole
Shipwreck Casserole. Photo credit: Vintage Recipes.

A classic layered casserole with ground beef, potatoes, beans, and tomato sauce that’s filling and budget-friendly.
Get the Recipe: Shipwreck Casserole

Mashed Potato Casserole

Mashed Potato Casserole
Mashed Potato Casserole. Photo credit: CopyKat Recipes.

Creamy mashed potatoes mixed with sour cream, herbs, cheddar cheese, and crispy fried onions for a cozy side dish.
Get the Recipe: Mashed Potato Casserole

Cheesy Scalloped Potatoes with Ham

Cheesy Scalloped Potatoes with Ham
Cheesy Scalloped Potatoes with Ham. Photo credit: CopyKat Recipes.

Tender scalloped potatoes layered with leftover ham and melted cheese in a rich, comforting sauce.
Get the Recipe: Cheesy Scalloped Potatoes with Ham

Poppy Seed Chicken

Poppy Seed Chicken
Poppy Seed Chicken. Photo credit: CopyKat Recipes.

Creamy chicken casserole topped with buttery Ritz crackers that’s easy enough for weeknights but nice enough for guests.
Get the Recipe: Poppy Seed Chicken

Ham and Hash Brown Breakfast Casserole

Ham and Hash Brown Breakfast Casserole
Ham and Hash Brown Breakfast Casserole. Photo credit: CopyKat Recipes.

A hearty casserole with ham, hash browns, cheese, and vegetables that works for breakfast, lunch, or dinner.
Get the Recipe: Ham and Hash Brown Breakfast Casserole

Easy Southern Chicken and Dressing Casserole

Easy Southern Chicken and Dressing Casserole
Easy Southern Chicken and Dressing Casserole. Photo credit: CopyKat Recipes.

Classic Southern comfort food made with tender chicken and savory dressing baked into one cozy dish.
Get the Recipe: Easy Southern Chicken and Dressing Casserole

Bacon-Infused Chicken Spaghetti Casserole

Bacon-Infused Chicken Spaghetti Casserole
Bacon-Infused Chicken Spaghetti Casserole. Photo credit: CopyKat Recipes.

Creamy chicken spaghetti loaded with cheese and bacon for a rich and satisfying casserole everyone loves.
Get the Recipe: Bacon-Infused Chicken Spaghetti Casserole

Classic Chicken and Rice Casserole

Classic Chicken and Rice Casserole
Classic Chicken and Rice Casserole. Photo credit: CopyKat Recipes.

A simple, hearty casserole with chicken, rice, and creamy sauce that’s perfect for cold winter nights.
Get the Recipe: Classic Chicken and Rice Casserole

Chicken Divan Casserole

Chicken Divan Casserole
Chicken Divan Casserole. Photo credit: CopyKat Recipes.

Cheesy chicken and broccoli casserole made with simple ingredients and perfect for using up leftover chicken.
Get the Recipe: Chicken Divan Casserole

King Ranch Casserole

King Ranch Casserole
King Ranch Casserole. Photo credit: CopyKat Recipes.

A Texas favorite made with chicken, corn tortillas, and a bold, cheesy sauce baked until bubbly.
Get the Recipe: King Ranch Casserole

Corned Beef Casserole

Corned Beef Casserole
Corned Beef Casserole. Photo credit: Vintage Recipes.

A comforting casserole that turns leftover corned beef into a hearty family dinner.
Get the Recipe: Corned Beef Casserole

Tuna Mornay

Tuna Mornay
Tuna Mornay. Photo credit: Vintage Recipes.

Creamy, cheesy tuna casserole topped with a crunchy finish and ready in about 45 minutes.
Get the Recipe: Tuna Mornay

Creamy Turkey Rice Casserole for Cozy Leftovers

Creamy Turkey Rice Casserole for Cozy Leftovers
Creamy Turkey Rice Casserole for Cozy Leftovers. Photo credit: Intentional Hospitality.

A comforting casserole that transforms leftover turkey into a creamy, savory rice dish perfect for winter evenings.
Get the Recipe: Creamy Turkey Rice Casserole for Cozy Leftovers

Easy Baked Turkey Pasta Casserole

Easy Baked Turkey Pasta Casserole
Easy Baked Turkey Pasta Casserole. Photo credit: Intentional Hospitality.

One-pan turkey pasta casserole with creamy sauce that’s ideal for using up holiday turkey leftovers.
Get the Recipe: Easy Baked Turkey Pasta Casserole

Piggybank Pork Casserole

Piggybank Pork Casserole
Piggybank Pork Casserole. Photo credit: The Kitchen Magpie.

A clever and hearty way to repurpose leftover pork into a satisfying baked casserole.
Get the Recipe: Piggybank Pork Casserole

Cheesy Ham and Rice Casserole

Cheesy Ham & Rice Casserole
Cheesy Ham and Rice Casserole. Photo credit: The Creative Bite.

A comforting combination of ham, rice, and cheese baked into a hearty family-friendly meal.
Get the Recipe: Cheesy Ham and Rice Casserole

Creamy Loaded Baked Chicken Potato Casserole

Creamy Loaded Baked Chicken Potato Casserole
Creamy Loaded Baked Chicken Potato Casserole. Photo credit: Intentional Hospitality.

Baked potatoes and chicken topped with bacon and cheese for a filling, flavor-packed casserole.
Get the Recipe: Creamy Loaded Baked Chicken Potato Casserole

Cattle Drive Casserole

Cattle Drive Casserole
Cattle Drive Casserole. Photo credit: CopyKat Recipes.

A bold, hearty casserole that’s easy to make and guaranteed to please hungry crowds.
Get the Recipe: Cattle Drive Casserole

Million Dollar Chicken Casserole with Cream Cheese

Million Dollar Chicken Casserole with Cream Cheese
Million Dollar Chicken Casserole with Cream Cheese. Photo credit: Butter and Baggage.

Ultra-creamy chicken casserole topped with a buttery cracker crust that’s perfect for potlucks or cozy dinners.
Get the Recipe: Million Dollar Chicken Casserole with Cream Cheese

Chicken Enchilada Casserole

Chicken Enchilada Casserole
Chicken Enchilada Casserole. Photo credit: The Kitchen Magpie.

Cheesy chicken enchilada casserole loaded with beans and vegetables for an easy, flavorful meal.
Get the Recipe: Chicken Enchilada Casserole

Chicken Tater Tot Casserole

Chicken Tater Tot Casserole
Chicken Tater Tot Casserole. Photo credit: xoxoBella.

Creamy chicken casserole topped with crispy tater tots for classic comfort food everyone enjoys.
Get the Recipe: Chicken Tater Tot Casserole

About Stephanie Manley

Stephanie Manley is the creator of CopyKat.com. She has been recreating copycat recipes since 1995. Learn more about Stephanie Manley.

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