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After a big turkey dinner, there are two types of people: those who immediately start making turkey sandwiches, and those of us who jump headfirst into turning Thanksgiving leftovers into something warm, bubbly, and carb-filled like this leftover turkey and stuffing casserole.

There are so many good recipes for leftover turkey casserole, but this one hits all the notes. It works beautifully as a Thanksgiving leftover casserole or a simple one-pan turkey dinner that’s both low-fuss and satisfying. You can even swap the turkey with leftover chicken or rotisserie chicken for an easy weeknight win.
The Chemistry of Leftover Turkey Casserole
This dish is all about layering moisture, fat, and texture in the right way. The creamy sauce (like cream of chicken soup or cream cheese thinned with turkey stock or chicken stock) helps bind the dish and prevents it from drying out. The starch (whether white rice, brown rice, or mashed potatoes) soaks up the juices without turning soupy. The cheese creates a barrier on top, locking in moisture while browning beautifully in the oven. Using a mixture of olive oil and melted butter with your panko breadcrumbs or stuffing topping helps it crisp rather than get chewy.

Recipe Troubleshooting
A soggy, watery casserole? This is usually thanks to the excess moisture from gravy, green beans, or undrained canned soup. Always drain and blot your ingredients if needed.
Uneven heating? Nobody wants cold turkey and molten cheese in one bite. Cover your dish with foil for even warming.
Cheese burns? Reduce the oven temperature and increase the cook time slightly.
Stuffing too dry? Drizzle it with turkey stock or with cream cheese.
Can I use corn or peas instead of green beans? Yes!
What if I’m out of mashed potatoes or stuffing? Use white rice, brown rice, or even pasta as a base.
Taste bland? Don’t forget to season it! A little thyme, garlic powder, or fresh herbs goes a long way.
Too many weird textures? Stick to 3 to 4 mix-ins max and cut everything bite-sized!

Step One: Preheat the oven to 400 degrees. Grease an 8×8 baking dish with non-stick spray.
Step Two: Spread 2 cups of mashed potatoes on the bottom of the dish.

Step Three: Top with leftover turkey.

Step Four: Top with leftover stuffing.

Step Five: Top with leftover cranberry sauce.

Step Six: Top with leftover gravy.

Step Eight: Top with shredded cheese and bake.
Step Nine: Bake for 25 hours.
Serving Suggestions
Serve alongside delicious green beans or fresh green salad for a delightful color and crunch. Pair with a crisp Chardonnay or sparkling apple cider for a fresh contrast. Add a sprinkle of fresh parsley or thyme over the top before serving for color and brightness. For presentation, serve in individual ramekins or rustic baking dish. Don’t forget a basket of warm dinner rolls or cornbread. And yes, leftover cranberry sauce or extra gravy on the side is a must.
Seasonal Serving Suggestions
This dish was made for Thanksgiving leftovers recipes and doubles as a Christmas leftover casserole when you’re staring down a fridge full of food and need a cozy solution. Turn leftover Thanksgiving turkey into something that feels new and crave-worthy- it’s the easiest way to keep the magic going into the next day.

Baking Tips
This Cheesy Leftover Turkey Casserole is the perfect way to breathe new life into turkey leftovers, mashed potatoes, stuffing, and even that leftover cranberry sauce. With minimal effort and maximum comfort, this is one of those easy recipes that checks all the boxes: creamy, cheesy, and oh-so-satisfying. Ready in under an hour, it’s the great thing you can do with that ton of leftovers.
Storage Tips
Let the casserole cool completely, then wrap it in plastic wrap and refrigerate it in an airtight container for up to 3 days. Reheat in the oven or microwave,
Freezer- Assemble and freeze before baking, or freeze leftovers. Wrap tightly and store for up to 2 months. Thaw overnight in the fridge before reheating.
Make Ahead- You can assemble the casserole 1-2 days in advance and store it in the fridge, covered. Let it come to room temperature before baking for even heat distribution.

Recommended Products
Ultimate Leftover Turkey Dinner Casserole
If you’ve ever stared at a fridge full of leftover Thanksgiving turkey, stuffing, and mashed potatoes and thought, “There has to be a better way,” this leftover turkey casserole recipe is it. It’s the easiest way to turn holiday magic into a weeknight win. Just layer, bake, and serve with a big spoon and a bigger appetite. It’s delicious food that makes the whole family happy- and bonus: no one even realizes it started with leftovers.

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Cozy Leftover Turkey Casserole with Stuffing
Ingredients
- 2 cup mashed potatoes
- 2 cups chopped leftover turkey
- 1/2 cup chopped green beans
- 2 cups stuffing
- 1/2 cup cranberry sauce
- 1 cup turkey gravy
- 2 cups cheddar cheese
Instructions
- Preheat the oven to 400 degrees. Grease an 8×8 baking dish with non-stick spray.
- Spread 2 cups of mashed potatoes on the bottom of the dish. Top with 2 cups chopped leftover turkey, 1/2 cup chopped green beans, and 2 cups stuffing.
- Top with 1/2 cup cranberry sauce.
- Drizzle 1 cup of turkey gravy all over the top.
- Sprinkle an even layer of cheddar cheese on top.
- Place in the oven and bake for 25 minutes or until warmed through. Enjoy!
Nutrition
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