
There’s something so heartwarming about transforming Thanksgiving leftovers into a brand-new, cozy dish and this Leftover Turkey Pot Pie Gratin is the ultimate comfort meal! Imagine tender turkey, sweet carrots, and savory gravy bubbling beneath a golden, cheesy potato crust. It’s creamy, comforting, and full of nostalgic post-holiday flavors. Perfect for busy nights when you want something hearty and homemade without starting from scratch.
This gratin-style twist keeps all the comfort of a classic pot pie but skips the pastry fuss making it easier, lighter, and just as delicious.
Serving Versatility
Serve it bubbling hot with a crisp green salad, spoon it over rice or noodles for a heartier meal, or scoop it into small ramekins for individual servings. You can even make it low-carb by swapping the mashed potato topping for cauliflower mash!
Full Recipe
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Servings: 6
Calories: Approximately 340 per serving
Ingredients
- 2 cups cooked turkey, shredded or chopped
- 1 cup leftover gravy (or chicken/turkey stock thickened slightly)
- 1 cup frozen mixed vegetables (peas, carrots, corn)
- 1 small onion, diced
- 2 cloves garlic, minced
- 1 tbsp olive oil or butter
- 2 cups leftover mashed potatoes (or fresh mash)
- ½ cup shredded cheddar or mozzarella cheese
- Salt and pepper, to taste
- Optional: 1 tsp dried thyme or parsley

Instructions
- Preheat oven to 400°F (200°C). Lightly grease a medium baking dish.
- In a skillet, heat olive oil over medium heat. Sauté onion and garlic until fragrant.
- Add turkey, vegetables, and gravy. Stir until evenly combined and heated through. Season with salt, pepper, and thyme.
- Spoon the mixture into the baking dish.
- Spread mashed potatoes over the top and sprinkle with cheese.
- Bake uncovered for 25–30 minutes, or until the top is golden and bubbly.
- Let rest for 5 minutes before serving.
Why You’ll Love This Recipe
- Ready in under an hour with minimal prep
- Budget-friendly and perfect for leftovers
- Cozy, nostalgic flavors with creamy, cheesy comfort
- A great source of protein and veggies
- Easy to customize with whatever you have on hand
Cultural or Cooking Technique Note
This recipe takes inspiration from the classic French gratin, where ingredients are baked under a golden crust. It’s a clever fusion of American Thanksgiving comfort and European rustic charm turning leftover turkey into something wonderfully indulgent.
Serving Suggestions
- Spoon over buttery egg noodles for an extra filling meal
- Pair with a fresh green salad or roasted Brussels sprouts
- Serve in mini casseroles for a festive leftover dinner
- Add cranberry sauce on the side for a sweet-tart contrast

Pro Tips for Success
- Warm the mashed potatoes slightly before spreading for a smooth top.
- Add a touch of cream or milk to leftover mash if it feels too thick.
- Sprinkle extra cheese in the last 5 minutes for a golden, bubbly crust.
- For extra crispiness, broil for 2–3 minutes before serving.
Storage & Reheating
- Fridge: Store leftovers in an airtight container for up to 3 days.
- Freezer: Freeze portions for up to 2 months.
- Reheat: Bake at 350°F until hot, or microwave individual servings for 2–3 minutes.
Closing Paragraph
This Thanksgiving Leftover Turkey Pot Pie Gratin is more than just a way to use leftovers it’s a cozy second celebration of your holiday meal! With its creamy filling and golden top, it’ll have your family asking for “leftovers” on purpose next year. Try it, make it your own, and share your version below!
If you loved this recipe, don’t miss my Baked Onion Ring Chips for another comforting favorite.
🎀 Final Thoughts
Every year after Thanksgiving, I look forward to making this cozy gratin it’s like wrapping up the holidays in a warm, cheesy hug. Simple, satisfying, and full of flavor, it’s comfort food at its finest.
Leftover Turkey Pot Pie Gratin
Equipment
- Baking Dish
- Skillet
Ingredients
Filling
- 2 cups cooked turkey (shredded or chopped)
- 1 cup leftover gravy (or chicken/turkey stock thickened slightly)
- 1 cup frozen mixed vegetables (peas, carrots, corn)
- 1 small onion (diced)
- 2 cloves garlic (minced)
- 1 tbsp olive oil or butter
Topping
- 2 cups mashed potatoes (leftover or freshly made)
- 1/2 cup shredded cheddar or mozzarella cheese
- salt and pepper (to taste)
- 1 tsp dried thyme or parsley (optional)
Instructions
- Preheat oven to 400°F (200°C). Lightly grease a medium baking dish.
- In a skillet, heat olive oil over medium heat. Sauté onion and garlic until fragrant.
- Add turkey, vegetables, and gravy. Stir until evenly combined and heated through. Season with salt, pepper, and thyme.
- Spoon the mixture into the prepared baking dish.
- Spread mashed potatoes evenly over the top and sprinkle with shredded cheese.
- Bake uncovered for 25–30 minutes, or until the top is golden and bubbly.
- Let rest for 5 minutes before serving.
Notes
Follow me on Pinterest for more cozy, quick, and nostalgic recipes.