A golden-brown baked leftover turkey casserole with melted cheese topping in a glass baking dish.

Delicious Leftover Turkey Casserole: 1 Comforting Meal

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Written by Caroline Hayes

November 10, 2025

Oh, post-holiday food coma, anyone? You know that feeling, right? You’re stuffed, you’re happy, but you’ve also got a fridge full of delicious turkey and a *slight* aversion to cooking anything complicated. That’s exactly where my heart was when I dreamt up this super simple leftover turkey casserole. It’s such a genius way to use up all those bits and bobs, turning them into a bubbly, cheesy, comforting dish that feels like a warm hug. Seriously, if you’re looking for a no-fuss way to deal with your Thanksgiving leftovers, a good old leftover turkey casserole is your best bet. Caroline always says the best recipes are the ones that connect us, and transforming perfectly good food into something new and delicious? That’s definitely food for the soul!

Why You’ll Love This Leftover Turkey Casserole

This isn’t just any old casserole; it’s your new best friend after a big holiday meal! Here’s why this recipe is a total winner:

  • Super Easy: Seriously, it takes barely any time to throw together. Perfect for when you’re still recovering from all the cooking!
  • Quick to Make: You’ll be in and out of the kitchen fast – about 10 minutes of prep and 25 minutes in the oven. Dinner is served!
  • Pure Comfort Food: It’s warm, cheesy, and packed with all your favorite flavors. It’s the ultimate hug in a dish.
  • So Versatile: This is your go-to for a “Thanksgiving leftovers casserole.” Use whatever veggies or starches you have on hand!

Ingredients for Your Easy Leftover Turkey Casserole

Okay, so when Caroline tests recipes, she wants them to be super clear, right? That’s why I love how she lays out the ingredients for this leftover turkey casserole. It’s like a roadmap to deliciousness! You’ll need:

  • About 2 cups of cooked turkey, whether it’s shredded up fine or diced into little chunks.
  • 1 cup of cooked rice or pasta – whatever you’ve got!
  • A good cup of mixed veggies. Frozen works great, or if you have fresh peas, carrots, or corn hanging out, toss ’em in!
  • Half a cup of gravy or, my personal shortcut, cream of mushroom soup. Both work wonders for that creamy binding magic.
  • A quarter cup of chopped onion if you’re feeling fancy, but totally not essential if you don’t have any.
  • Half a cup of your favorite shredded cheese. Cheddar, Monterey Jack, a mix – whatever makes your heart sing!
  • And of course, a little salt and pepper to taste.

Tips for Assembling Your Leftover Turkey Casserole

Alright, let’s get this beautiful pile of leftovers into casserole form! The key here is just making sure everything gets happy and melded together before it hits the oven. Caroline always talks about how even simple steps make a big difference, and it’s so true. First off, don’t worry too much about your ingredients being piping hot or ice cold – room temperature is perfectly fine. Just toss everything into a big bowl: your turkey, your cooked rice or pasta, those colorful veggies, and your creamy binder (hello, gravy or soup!). If you’re sneaking in that onion, add it now too. Give it all a good stir, making sure to get the goodness evenly distributed. You want every bite to have a little bit of everything! Oh, and if you happen to have some leftover stuffing, you could totally fold some of that in too – just saying!

How to Bake the Perfect Leftover Turkey Casserole

Now for the really satisfying part – getting this delicious mixture all bubbly and golden in the oven! Caroline really emphasizes how important it is to follow these steps because she’s tested them over and over to make sure you get that perfect, comforting result every single time. It’s all about building those layers of flavor and texture!

Preheating and Preparation

First things first, let’s get that oven fired up to 375°F (190°C). While it’s heating, grab your casserole dish – an 8×8 inch size is usually spot-on for this recipe – and give it a good greasing. A little bit of cooking spray or butter makes sure nothing sticks and makes cleanup a total breeze!

Combining the Casserole Ingredients

So, you’ve got your big bowl ready from the last step, right? Now, let’s add that lovely heap of cooked turkey, the rice or pasta, all those colorful veggies, and that creamy gravy or soup. If you decided to toss in some onion, now’s its moment to shine too! Give it all a really good stir being careful not to mash everything into oblivion. You want to make sure every little bit of turkey and veggie is nicely coated in that yummy sauce. It should look like a harmonized mix of goodness!

Baking Your Leftover Turkey Casserole to Perfection

Once everything’s mixed and looking delicious, pour that mixture evenly into your prepared baking dish. Now for the grand finale: sprinkle that shredded cheese all over the top. Pop it into your preheated oven and let it bake for about 20 to 25 minutes. You’re looking for it to be heated all the way through, and of course, for that cheese to be all melted, bubbly, and maybe even a little gorgeously browned around the edges. Trust me, the smell alone will tell you it’s ready!

Ingredient Notes and Substitutions for Leftover Turkey Casserole

One of the best things about this leftover turkey casserole is how forgiving it is! Caroline always says that the best recipes are the ones you can twist to fit what you have, and this one is definitely a keeper in that regard. If you’re out of rice, don’t even sweat it! Cooked pasta works just as beautifully, or you could even try some mashed potatoes mixed in for a totally different vibe. And the veggies? Use whatever little bits are hiding in your freezer – a stir-fry mix, some corn and peas, broccoli florets, you name it! Instead of gravy or cream of mushroom soup, mushroom or chicken broth with a little cornstarch slurry can work in a pinch, or even a bit of your homemade turkey gravy. For the cheese, go wild! Cheddar, Colby Jack, even a sprinkle of Parmesan will add a lovely layer of flavor.

Making a Layered Leftovers Bake

So, you want to take your stuffing and mashed potatoes to the next level? Totally do it! Instead of just mixing everything, you can create this awesome layered leftovers bake. Think of it like a delicious, comforting riff on shepherd’s pie. Just spread a layer of your leftover turkey mixture in the bottom of the dish, then top it with a layer of stuffing or mashed potatoes, and then sprinkle on that cheese. It makes for a really hearty and satisfying meal, perfect for another round of enjoying those holiday flavors!

Frequently Asked Questions About Leftover Turkey Casserole

Can I use fresh turkey instead of leftovers?

Absolutely! While this recipe is designed with leftovers in mind, you can totally use freshly cooked turkey. Just make sure it’s cooked through and then diced or shredded. If you’re starting from scratch, try roasting a turkey breast and letting it cool before dicing it up!

How do I store and reheat this leftover turkey casserole?

This Thanksgiving leftovers casserole is great for meal prep! Just let it cool completely, then cover it tightly and pop it in the fridge for up to 3 days. To reheat, spoon a portion into a microwave-safe dish and heat until warmed through, or cover it with foil and bake at 350°F (175°C) until bubbly.

What other vegetables can I add to the Thanksgiving leftovers casserole?

Get creative! Beyond peas, carrots, and corn, you can toss in some steamed broccoli florets, chopped bell peppers, or even some diced sweet potato. If you love a classic, maybe add some of those yummy green beans from your holiday meal!

Nutritional Information (Estimate)

Just so you know, the numbers here are a general ballpark! Since we’re all about using what you have for this leftover turkey casserole, the exact counts can wiggle around a bit. But based on our recipe, one serving is roughly around 350 calories, with about 15g of fat and a good 25g of protein to keep you full and happy. Remember, using different veggies or cheeses can change things up!

Share Your Leftover Turkey Casserole Creations!

I absolutely LOVE hearing how you all put your own spin on these recipes! Did you add some leftover stuffing? Maybe some interesting veggies? Please, leave a comment below and tell me all about your amazing leftover turkey casserole variations. And if you share photos on social media, please tag us – we’d love to see them! You can reach out to us here or find us on Facebook here!

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Easy Leftover Turkey Casserole

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A simple and comforting casserole made with leftover turkey, perfect for a low-fuss meal after a holiday.

  • Author: Caroline Hayes
  • Prep Time: 10 min
  • Cook Time: 25 min
  • Total Time: 35 min
  • Yield: 4 servings 1x
  • Category: Dinner
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 2 cups cooked, shredded or diced turkey
  • 1 cup cooked rice or pasta
  • 1 cup mixed vegetables (frozen or fresh, e.g., peas, carrots, corn)
  • 1/2 cup gravy or cream of mushroom soup
  • 1/4 cup chopped onion (optional)
  • 1/2 cup shredded cheese (cheddar, Monterey Jack, or your favorite)
  • Salt and pepper to taste

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. In a large bowl, combine the cooked turkey, cooked rice or pasta, mixed vegetables, gravy or soup, and chopped onion (if using).
  3. Season with salt and pepper to your taste.
  4. Stir everything together until well combined.
  5. Pour the mixture into a greased 8×8 inch baking dish or similar casserole dish.
  6. Top evenly with the shredded cheese.
  7. Bake for 20-25 minutes, or until the casserole is heated through and the cheese is melted and bubbly.
  8. Let stand for a few minutes before serving.

Notes

  • You can add other leftovers like mashed potatoes or stuffing for a layered bake.
  • Feel free to adjust the vegetables based on what you have available.
  • A sprinkle of breadcrumbs on top before baking adds a nice crunch.

Nutrition

  • Serving Size: 1 serving
  • Calories: 350
  • Sugar: 4g
  • Sodium: 600mg
  • Fat: 15g
  • Saturated Fat: 6g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 25g
  • Fiber: 3g
  • Protein: 25g
  • Cholesterol: 80mg

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Caroline Hayes is the heart and soul behind Recipes To Keep. Inspired by her grandmother's overflowing recipe box from rural Ohio, Caroline has dedicated herself to preserving timeless American classics. She is a passionate home cook and recipe archivist who specializes in testing and perfecting cherished dishes for the modern kitchen. Her goal is to ensure every recipe is a "keeper"—reliable, delicious, and ready to become a part of your family's story.

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