After the big Thanksgiving feast, the fridge is usually stacked high with containers of turkey, mashed potatoes, and side dishes. That’s where this Easy Turkey and Mashed Potatoes Casserole for Thanksgiving leftovers comes to the rescue. It’s a simple, comforting way to transform all those extra dishes into one warm, satisfying meal everyone will love. If you’ve been wondering what to do with leftover turkey and mashed potatoes, this recipe has you covered. Creamy, cheesy, and full of nostalgia, this turkey and mashed potato casserole is like wrapping up Thanksgiving in one hearty bite.
The morning after Thanksgiving always looks the same in my family’s kitchen. There’s a tangle of foil packets, plastic containers, and the unmistakable aroma of roasted turkey lingering in the air. We’ve spent the day before cooking, laughing, and counting our blessings, and somehow, even after feeding a crowd, there are mounds of food left behind.
That’s when the Easy Turkey and Mashed Potatoes Casserole for Thanksgiving leftovers first came to life. One year, instead of serving the same reheated plates, my mom layered chunks of leftover turkey between creamy mashed potatoes, sprinkled cheese over the top, and popped it in the oven. The smell that filled the house was heavenly—rich, buttery, and full of promise. And just like that, a new post-holiday tradition was born.
Since then, this turkey and mashed potato casserole has been our go-to way to keep the Thanksgiving spirit alive a little longer. It’s not just about saving food; it’s about creating something new out of what’s already special. For families like ours, it’s one of those recipes using leftover turkey and mashed potatoes that turns the chaos of cleanup into a comforting, no-stress dinner.
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Easy Turkey and Mashed Potatoes Casserole
- Total Time: 45 minutes
- Yield: 6 servings 1x
Description
A comforting casserole that transforms leftover turkey and mashed potatoes into a creamy, cheesy bake perfect for post-Thanksgiving meals.
Ingredients
Instructions
1. Preheat the oven to 375°F and lightly grease a 9×13-inch baking dish.
2. In a skillet, melt butter over medium heat and cook diced onion until translucent, about 3 minutes.
3. Add turkey and mixed vegetables to the skillet, pour in chicken broth, and simmer for 2–3 minutes.
4. Season the mixture with garlic powder, dried thyme or parsley, salt, and pepper.
5. Spread the turkey and vegetable mixture in the baking dish and sprinkle 1/2 cup of cheese over it.
6. Evenly spread mashed potatoes over the cheese layer, then top with remaining cheese and breadcrumbs if using.
7. Bake uncovered for 25–30 minutes until bubbly and golden brown, then let rest 5–10 minutes before serving.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: casserole
- Method: baking
- Cuisine: american
Nutrition
- Serving Size: 1 cup
- Calories: 350
- Sugar: 3
- Sodium: 600
- Fat: 18
- Saturated Fat: 8
- Unsaturated Fat: 7
- Trans Fat: 0
- Carbohydrates: 30
- Fiber: 2
- Protein: 20
- Cholesterol: 75
Keywords: easy turkey casserole, leftover turkey casserole, mashed potato casserole, thanksgiving leftovers, creamy turkey bake, post holiday dinner, family comfort food
As the casserole bakes, the cheese bubbles at the edges while the mashed potatoes develop a light golden crust. It’s a dish made for quiet evenings, cozy sweaters, and the comforting hum of togetherness that lingers after the big day. Every forkful brings back the warmth of Thanksgiving—all without the work of another huge meal.
Why This Turkey and Mashed Potato Casserole Is a Post-Holiday Favorite
There’s something truly satisfying about turning leftovers into something so effortlessly delicious. This turkey and mashed potato casserole is a post-holiday hero for many reasons—first, it’s incredibly simple. You’re working with what you already have: tender turkey meat, creamy mashed potatoes, a little cheese, maybe a scoop of green beans or corn. With just a few pantry staples and a quick bake, you can serve a dish that tastes like a whole new meal.
Another reason it stands out among Thanksgiving leftover turkey recipes is that it pleases everyone at the table. Kids love its cheesy, creamy texture. Adults appreciate that it’s both hearty and quick to prepare. In fact, calling it a “leftover” dish doesn’t do it justice—it’s comfort food at its finest. The creamy turkey and mashed potato casserole fills the house with that irresistible scent of bubbling cheese and roasted turkey all over again, making you grateful for those extra servings from the big feast.
Beyond its convenience, this dish embraces the heart of what Thanksgiving represents: gratitude, resourcefulness, and time spent together. Instead of letting leftovers go to waste, you’re transforming them into something new, delicious, and shared. Whether you’re serving it the day after Thanksgiving for lunch or saving it for a cozy weekend dinner, this Easy Turkey and Mashed Potatoes Casserole for Thanksgiving leftovers will always taste like a little celebration of good food and family connection. It’s proof that sometimes, the best meals come from what’s already in your fridge and the memories that come with them.
Ingredients, Tools, and Preparation
The best part about this Easy Turkey and Mashed Potatoes Casserole for Thanksgiving leftovers is that you probably already have everything you need waiting in your fridge. No special trip to the store required—just warm flavors, a bit of layering, and that magical golden cheese crust that makes everyone rush to the dinner table.
Gather the Ingredients You Already Have
This turkey and mashed potatoes casserole is built on the classic flavors of the holiday table. Think of this as a delicious way to remix your leftovers rather than starting from scratch. Below, you’ll find a simple list of ingredients for this recipe using leftover turkey and mashed potatoes, along with a few optional add-ins if you want to make it your own.
| Ingredient | Measurement / Notes |
|---|---|
| Leftover turkey (shredded or chopped) | 2 to 3 cups |
| Leftover mashed potatoes | 3 cups |
| Butter | 2 tablespoons |
| Onion, diced | ½ cup |
| Mixed vegetables (peas, corn, carrots, or green beans) | 1 cup (fresh, frozen, or leftover) |
| Chicken or turkey broth | ½ cup |
| Shredded cheese (cheddar, mozzarella, or a mix) | 1½ cups, divided |
| Garlic powder | ½ teaspoon |
| Dried thyme or parsley | ½ teaspoon |
| Salt and pepper | To taste |
| Breadcrumbs (optional for topping) | ¼ cup |
Tools you’ll need:
- 9×13-inch baking dish
- Mixing bowls
- Spatula or mixing spoon
- Skillet for sautéing vegetables (if needed)
- Aluminum foil
- Oven mitts
Step-by-Step Method for the Perfect Creamy Bake
- Preheat the oven: Set your oven to 375°F (190°C). Lightly grease your baking dish with butter or nonstick spray.
- Prepare the turkey and vegetables: Let the turkey sit at room temperature for 10–15 minutes if chilled. In a skillet, melt butter over medium heat, add onions, and cook until translucent. Stir in turkey and mixed vegetables, then pour in the broth and warm through for 2–3 minutes.
- Season the filling: Stir in garlic powder, thyme or parsley, salt, and pepper. Adjust to taste.
- Assemble the layers: Spoon the turkey and vegetable mixture into the baking dish. Sprinkle ½ cup of cheese over it, then spread mashed potatoes evenly on top.
- Add cheese and topping: Sprinkle the remaining cheese evenly across the top. Scatter breadcrumbs if desired and drizzle with melted butter.
- Bake until golden and bubbly: Bake uncovered for 25–30 minutes or until the top turns golden brown.
- Let it rest: Cool for 5–10 minutes before serving to allow layers to set.
Pro tip: For a crispier topping, broil for 2–3 minutes at the end, watching closely.
This easy turkey casserole with mashed potatoes delivers pure comfort with minimal effort—perfect for busy post-holiday days.
Serving Tips and Variations
Now that your Easy Turkey and Mashed Potatoes Casserole for Thanksgiving leftovers is cooling on the counter, it’s time to explore new flavor combinations and clever serving ideas. Each variation adds something special while keeping the heartwarming comfort intact.
Flavor Boosts and Creative Add-Ins
- Add Thanksgiving flair: Crumble leftover stuffing over the top or swirl cranberry sauce into the turkey layer for a sweet-savory contrast.
- Make it a gravy lover’s dream: Drizzle gravy over the turkey layer before adding mashed potatoes for an extra-rich experience.
- Mix in vegetables: Stir in leftover green beans, corn, or roasted Brussels sprouts to add flavor and reduce waste.
- Experiment with cheeses and toppings: Try Monterey Jack, Gruyère, or even crushed potato chips for a fun, crunchy top.
- Use individual servings: Scoop into small ramekins for easy single portions that reheat perfectly.
Storing, Freezing, and Reheating Tips
This turkey and mashed potatoes casserole stores beautifully for multiple meals. Follow these quick guidelines for safe, delicious reheating.
Refrigerator Storage
- Cool completely before covering tightly or storing in an airtight container.
- Refrigerate for up to 3–4 days.
Freezer Storage
- Freeze in portions or the whole dish, tightly wrapped and labeled.
- Best enjoyed within 2–3 months.
Reheating Instructions
- From fridge: Bake at 350°F (175°C) for 15–20 minutes.
- From freezer: Thaw overnight, then reheat as above. Microwave single servings in short intervals, stirring in between.
| Storage Method | How to Store | Shelf Life | Reheating |
|---|---|---|---|
| Refrigerator | Airtight container | 3–4 days | 350°F for 20 min |
| Freezer | Foil wrapped or sealed dish | 2–3 months | Thaw, then 350°F reheat |
| Single portions | Meal-prep containers | Same as above | Microwave 1–2 min |
Pro tips: Add a tablespoon of broth or milk before reheating to keep potatoes creamy. Uncover for the last few minutes to keep the top crispy.
Frequently Asked Questions
Here are answers to the most common questions about this Easy Turkey and Mashed Potatoes Casserole for Thanksgiving leftovers to help you make it perfectly every time.
Can I use instant mashed potatoes for this casserole?
Yes! Instant mashed potatoes work well. Prepare them with milk and butter for added creaminess, and once baked into the creamy turkey and mashed potato casserole, they taste just as comforting as homemade mash.
What type of cheese works best?
Cheddar is classic for its rich flavor and meltability, but mozzarella, Monterey Jack, or Gruyère also shine. Mixing two cheeses balances creaminess and tanginess beautifully.
Can I prepare it ahead of time?
Absolutely. Assemble the turkey and mashed potato casserole up to 24 hours in advance, refrigerate, then bake straight from the fridge. Let it rest at room temperature for 20 minutes before baking.
How long does it last in the fridge?
Stored in an airtight container, it stays fresh for 3–4 days. Reheat in the oven for best texture or freeze for later enjoyment within 2–3 months.
Can it be made with chicken instead of turkey?
Definitely. Use cooked or rotisserie chicken as a substitute for turkey in this creamy casserole—same cozy flavor, great anytime of year.
A Cozy Ending to the Feast
This Easy Turkey and Mashed Potatoes Casserole for Thanksgiving leftovers is more than a meal—it’s a delicious tradition that extends the warmth of the holidays. Each layer combines comfort, flavor, and nostalgia in one bake that’s perfect for sharing.
Great meals don’t always need to start from scratch. With leftover turkey and mashed potatoes, a bit of cheese, and some creativity, you can create something wonderful. Whether enjoyed for a simple weekend dinner or gifted to a neighbor, this easy turkey casserole with mashed potatoes will fill your home with holiday cheer and cozy satisfaction long after the feast is done.
