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    Home » Recipes » Dinner

    Easy Leftover Turkey Casserole

    Published: Nov 28, 2019 · Updated: Nov 24, 2021 by Dawn · This post may contain affiliate links.

    Jump to Recipe Pin Recipe

    Leftover turkey casserole is one of the easiest ways to use your Thanksgiving leftovers! It has layers of stuffing, mashed potatoes, turkey and vegetables along with gravy.

    Turkey casserole in a baking dish out of the oven with a spoon scooping it out to serve.

    I always cook a large turkey every year. It gives us enough for a few meals and we also boil down the bones for a good broth too!

    One of my favorite leftover turkey recipes is this turkey casserole. It is an easy way to use up your Thanksgiving leftovers including the stuffing and mashed potatoes.

    I first made this when I worked in retail. In retail you have to work Black Friday - there is no exception to this. Many times I worked Thanksgiving too so I would be exhausted.

    This casserole became our go to for dinner because everything was pretty much prepared for me to throw into a casserole dish and bake. I didn't have time to roll out pie dough so I used the stuffing as a bottom "crust" and the mashed potatoes as a top.

    Jump to:
    • Ingredients
    • Making the Leftover Turkey Casserole
    • Frequently asked questions
    • Recipe

    Ingredients

    Ingredients for casserole - mixed vegetables, butter, garlic powder, dried minced onion, stuffing, gravy, turkey, and mashed potatoes.

    Turkey - Leftover from your turkey.

    Mashed potatoes - Any leftover mashed potatoes you have. We make a lot so we always have extra for this casserole. You can use instant or homemade mashed potatoes, they both work!

    Dried minced onion - You can use chopped fresh onion in it's place, but this casserole was designed for minimal prep so we use dried minced onion.

    Garlic powder - The powder is best here.

    Butter - We use salted butter for flavor, but you can use a butter alternative.

    Vegetables - You can use any vegetables that you like or leftovers. We use a bag of frozen mixed vegetables because we don't always have enough veggies leftover.

    Gravy - We use the leftover gravy, I make a lot so there is always plenty. If you do not have enough leftover you can make more or even use jarred gravy to make prep easier.

    Stuffing - I always make a lot of stuffing because we love to use it in leftover turkey casserole! We make homemade stuffing, but you can use boxed if you prefer.

    Making the Leftover Turkey Casserole

    Turkey casserole spooned out onto a dinner plate to be served.

    This is one of the easiest things you can throw together, you will see why it's one of my favorite leftover turkey recipes!

    Lightly grease the bottom of a dish. I use a 2.5-3 quart casserole dish for this. If you have less mashed potatoes and stuffing left then the recipe calls for, you can also do this in a 9.5 inch pie dish.

    The turkey mix

    The turkey gets mixed in with gravy and vegetables. You will want to heat them together before adding to the leftover turkey casserole. If using frozen vegetables, heat them for about 2 minutes on medium with a 2-3 tablespoons water just to take the chill off them.

    Add in the gravy, minced onion, garlic and turkey. Heat until it is warmed through.

    Layer

    You are going to make this in layers. The stuffing is almost like a crust for the casserole.

    Add the stuffing to the bottom of the casserole dish. I like to pack it down slightly to make it more like a crust.

    Pour the turkey and gravy mix on top of the stuffing. Try to spread it across evenly.

    Top with the mashed potatoes. Try to spread them out evenly, but it doesn't have to be perfect. Scatter a few thin slices of butter on top of the mashed potatoes and it's ready to bake!

    Baking

    Bake in the oven at 375 degrees Fahrenheit for about 40 minutes. You want the gravy to be bubbly and starting to show a little on the sides through the potatoes. The butter on top to be melted through the potatoes.

    Remove from the oven and serve!

    Frequently asked questions

    How long with the leftover turkey casserole last?

    This depends on how old the leftovers you used are. If you made this casserole with 1 day old leftovers, it should last 3-4 days in the fridge. If the leftovers are 3 days old, I would save the casserole leftovers for more then a day.

    What if I don't have quite enough stuffing or mashed potatoes leftover?

    If you have about 1 cup of each less, you can make this in a 9.5 inch pie dish. You can still use the same amount of turkey/gravy mix or you can use less as well if needed.

    Can I use instant mashed potatoes and boxed stuffing?

    Sure! You can use your favorite potatoes, stuffing and gravy. No changes needed to the recipe. If you are using instant mashed potatoes, be sure they are a thicker consistency. You can also used jarred gravy if you choose.

    Can I make this casserole with chicken?

    Yes you can make it the same way with chicken. You can use leftover chicken or cooked cut up chicken.

    Recipe

    Turkey casserole in a baking dish out of the oven with a spoon scooping it out to serve.

    Easy Leftover Turkey Casserole

    Dawn
    This leftover turkey casserole is one of the easiest ways to use up your Thanksgiving leftovers! It combines stuffing, mashed potatoes, turkey, gravy and vegetables in this easy family meal.
    5 from 3 votes
    Print Recipe Pin Recipe SaveSaved!
    Prep Time 10 mins
    Cook Time 40 mins
    Total Time 50 mins
    Course casserole, Dinner
    Cuisine American
    Servings 6
    Calories 500 kcal

    Equipment

    • 2.5 quart casserole dish
    • or 3 quart casserole dish
    Prevent your screen from going dark

    Ingredients
      

    • 4 cups stuffing about, see notes
    • 3 cups turkey cooked
    • 2 cups gravy
    • 3 cups mashed potatoes
    • 12 ounces mixed vegetables see notes
    • 1 Tablespoon minced onion dried
    • ½ teaspoon garlic powder
    • 3 Tablespoons butter sliced thin

    Instructions
     

    • Preheat oven to 375° Fahrenheit.
    • In a medium saucepan combine vegetables, gravy, turkey, minced onion and garlic powder. Heat over medium heat until it is heated through.
    • Lightly pack down the stuffing into the casserole dish.
    • Pour the turkey/gravy mixture over the stuffing in the dish.
    • Carefully spread the mashed potatoes over the top. Put the butter slices on the top of the potatoes.
    • Bake for about 40 minutes - until it is heated through. Gravy will be a little bubbly and the butter on top will be melted.
    • Remove from oven and serve.

    Notes

    Nutrition values and serving sizes are estimated.  Everybody makes stuffing, mashed potatoes and gravy a little different so the values will differ depending on how the ingredients were prepared.
    We use a bag of frozen mixed vegetables here as we do not often have enough leftover vegetables.  You can use your favorite vegetables, but we think mixed mixed is best.
    The amounts can be changed if you have slightly more or less leftovers you can adjust to the amount you have.  
    We use homemade stuffing, mashed potatoes and gravy but you can use store bought boxed/jarred ingredients too.
    Salt may or may not be needed depending on how you much salt you put in the food that is used in the casserole.

    Nutrition

    Calories: 500kcalCarbohydrates: 58gProtein: 20gFat: 22gSaturated Fat: 7gCholesterol: 57mgSodium: 1152mgPotassium: 563mgFiber: 8gSugar: 5gVitamin A: 3499IUVitamin C: 23mgCalcium: 72mgIron: 3mg
    Tried this recipe?Let us know how it was!

    Leftover turkey casserole with stuffing has a step by step slide.

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    Reader Interactions

    Comments

    1. Jenn

      March 29, 2022 at 9:10 pm

      5 stars
      What an absolutely delicious casserole. Had leftover turkey in my deep freezer and was happy when I found this recipe. Entire family enjoyed it. I am to always make this with leftover turkey they said lol. Thank you for sharing

      Reply
    2. Kayla DiMaggio

      November 23, 2021 at 2:47 pm

      5 stars
      What an amazing way to use leftovers! I love this turkey casserole, it was so cozy and delicious!

      Reply

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    Hey there! Welcome to our fun and delicious place on the Internet. I am Dawn - the kitchen mess maker, recipe developer and the one behind the scenes. I share recipes that you can make with mostly simple ingredients. Welcome to our kitchen where life is full of good food and lattes!

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