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Thanksgiving Casserole, a Little Bit of Heaven on a Plate

Yum! You won’t cel­e­brate hol­i­day left­overs the same way, ever again! Your fam­i­ly is going to swoon for Thanks­giv­ing Casserole. 

Thanksgiving Casserole
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4 ingre­di­ents left­over from any turkey din­ner and about 5 min­utes to mix it togeth­er, will net you the win­ner’s tro­phy for best use of left­overs in the hol­i­day season.

This deli­cious turkey casse­role recipe is a warm hug filled with the best fam­i­ly mem­o­ries your brain can muster. It’s com­fort food and deli­cious food all wrapped into one amaz­ing meal!

Thanks­giv­ing Casse­role is a fam­i­ly tra­di­tion that began when I was a child. My grand­ma put togeth­er the very first one I ever tast­ed and we ate it every year, after that, as I was grow­ing up. 

I’ve con­tin­ued the tra­di­tion in my own kitchen.  It is the sim­plest, most savory and deli­cious casse­role you will ever serve to friends and fam­i­ly — com­fort food at its finest. 

And, if you are like me, you WILL serve it.  It will become one of the most request­ed meals of your hol­i­day season.

Thanksgiving Casserole Takes Advantage of Turkey’s Versatility and Economy

I’m one of those crazy ladies you see right before Thanks­giv­ing. You know the ones. 

Turkeys go on sale for 89¢ a pound and crazed women with glazed-over-“I’m get­ting a deal”-eyes, wheel carts with three or four 25-pound turkeys to the check-out stand. Yeah…I’m one of those. lol 

And the worst part? I usu­al­ly do it twice. It’s a good feel­ing to know the freez­er is full of some of my fam­i­ly’s most favorite recipe starters. I’ll serve turkey dish­es all win­ter and we’ll still have one left for East­er dinner. 

Turkeys are ver­sa­tile. You can get mul­ti­ple meals out of just one bird. And there are so many deli­cious dish­es to pre­pare with them. 

Turkey saves me mon­ey AND it saves me time in the kitchen. Once it’s roast­ed, that bird becomes the already prepped base of all kinds of deli­cious recipes. How can that not be a huge win!!?? Right? 

I know you under­stand. Your eyes are start­ing to look a lit­tle save-me-time-and mon­ey glazed, too. lol

Well, it’s almost that time of year, again, and I want you to be prepared. 

I’m start­ing with Thanks­giv­ing Casse­role, because it’s such a sta­ple in our fam­i­ly recipe box, that it real­ly must be shared. 

I can make a big turkey din­ner and have all 15 of us sit­ting around the table and the ques­tion every­one wants answered is, “When will we have Thanks­giv­ing Casse­role?” For one of my son-in-laws, that dish is more excit­ing than the whole turkey dinner.

Ingredients You’ll Need for Thanksgiving Casserole

turkey casserole ingredients

Thanks­giv­ing Casse­role has only 4 ingre­di­ents. And, you will have already pre­pared them for your big meal. The casse­role uses only left­overs and trust me when I tell you, “Left­overs nev­er tast­ed so good!”.

  • remain­ing turkey from dinner
  • left­over mashed pota­toes
  • gravy left from your big meal
  • stuff­ing (what­ev­er’s left or whip up a batch of Stove-Top)

There are no spe­cif­ic amounts, just what you have left over from your meal. 

I’m going to put some quan­ti­ties in the recipe to give you a gen­er­al idea of the ratios WE use. Just keep in mind, they are not hard and fast rules and what you use will depend more on your fam­i­ly pref­er­ences and the left­overs you have available. 

Make this your own and cre­ate a tra­di­tion your fam­i­ly looks for­ward to year after year.

I need to make a con­fes­sion, at this point.  In my fam­i­ly, there is NEVER stuff­ing left over — lol — no mat­ter how much I make. 

This is not an issue, because my secret stuff­ing recipe is Stove Top.  Five min­utes in the microwave and I have a new batch.  I def­i­nite­ly rec­om­mend it for quick and easy “left-overs”.

How to Make Thanksgiving Casserole

Ingredients for Thanksgiving Casserole prepped and in casserole dish
  1. Dump left­over mashed pota­toes, cubed up turkey and stuff­ing in a casse­role dish or a *9×13 pan; what­ev­er will accom­mo­date your spe­cif­ic amount of leftovers. 
  2. Stir in gravy to moist­en every­thing up. It’s pos­si­ble your gravy may have gelled up in the fridge overnight. No wor­ries. Just stir it in, as is. It will melt and blend in as the Turkey Casse­role bakes in the oven.
Thanksgiving Casserole ready for the oven
  1. Okay, so now you’ve mixed every­thing togeth­er in your bak­ing pan and you may think it doesn’t look like much, but add a lit­tle black pep­per on top, put it in a pre­heat­ed 350° oven and bake.  You’ll soon expe­ri­ence casse­role nir­vana! lol 
  2. All the ingre­di­ents have already been cooked, so you are sim­ply wait­ing for it to be heat­ed through.  It will be bub­bly around the edges and won­der­ful­ly browned on the top when it’s ready to come out of the oven. 30–45 min­utes is usu­al­ly enough for it to be hot and bub­bly, depend­ing on how cold your ingre­di­ents were.
baked Thanksgiving Casserole

Thanks­giv­ing Casse­role is a spoon­ful of heav­en on a plate! 

It’s creamy and savory, stud­ded with chunks of roast turkey and has a deli­cious­ly crusty top from the bits of browned up stuffing. 

Seri­ous­ly, this yum­my turkey casse­role is a tex­tur­al and fla­vor­ful sensation. 

What to Serve with Thanksgiving Casserole

We typ­i­cal­ly serve it with what we call “a love­ly sal­ad”, but any side dish­es you have left from your big meal would be nice com­ple­ments, as well. 

Thanksgiving Casserole

Easy Delicious Thanksgiving Sides

Sides for Thanks­giv­ing Casse­role can be a sim­ple as a din­ner roll or cut veg­gies. But, sal­ads and side dish­es left­over from your turkey din­ner are also great pairings. 

Think Cran­ber­ry Apple Sal­ad, Loaded Baked Pota­to Sal­ad or Broc­coli Cau­li­flower Sal­ad.

You also won’t be sad to serve deli­cious turkey casse­role next to Sweet Pota­to Casse­role, Slow Cook­er Creamed Corn or a gor­geous Kale, Apple and But­ter­nut Sal­ad.

Enjoy, Friend!

The Recipe

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Thanksgiving Casserole bite

Thanksgiving Casserole

  • Author: Glen­da Embree
  • Total Time: 55 min­utes
  • Yield: 8-10 serv­ings 1x


The ingre­di­ent amounts list­ed, below, are for your ref­er­ence only.  It gives you an idea of the ratios we typ­i­cal­ly use.  My fam­i­ly LOVES stuff­ing and we use a greater ratio of that.  Match your com­bi­na­tion to your own fam­i­ly’s tastes and the left­over amounts you have available.


Units Scale
  • 3 cups left­over turkey, diced
  • 3 cups left­over mashed potatoes
  • 6-8 cups left­over stuffing
  • 1 1/2 to 2 cups left­over gravy


  1. Mix all the ingre­di­ents in the casse­role dish or pan you will use to bake it.
  2. Bake at 350° for 30–45 min­utes, until the casse­role is hot and bub­bling around the edges, but browned and crusty on the top.
  • Prep Time: 10 min­utes
  • Cook Time: 45 min­utes
  • Cat­e­go­ry: Casse­role, Poul­try, Dinner
  • Cui­sine: Amer­i­can

More Leftover Recipes to Try

Turkey Noodle Soup from Little House Big Alaska

Hot Beef Sandwich with Homemade Beef Gravy

hot beef sandwich with roast beef gravy

Chicken Street Tacos

Chicken Street Tacos on a blue stoneware plate

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