All-In-One Thanksgiving Casserole

Why You’ll Love This Recipe

All-In-One Thanksgiving Casserole is a comforting and convenient dish that combines all your holiday favorites—turkey, stuffing, mashed potatoes, and green beans—into one delicious bake. Perfect for using up leftovers or creating a simplified version of Thanksgiving dinner, this hearty casserole brings all the classic flavors to your table with minimal effort.

ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

cooked turkeybreadeggsonioncelerybutterchicken brothmashed potatoesgreen beans (fresh or canned)cream of mushroom soupshredded cheddar cheesegarlic powderonion powderdried thymeblack peppersalt

directions

Preheat your oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish.

In a skillet, melt butter and sauté chopped onion and celery until tender.

In a large bowl, combine cooked turkey, sautéed vegetables, cubed bread, beaten eggs, seasonings, and chicken broth. Mix to create a stuffing base.

Spread the stuffing mixture evenly into the bottom of the baking dish.

Layer mashed potatoes on top of the stuffing, smoothing them out with a spatula.

Add green beans on top of the mashed potatoes.

In a small bowl, mix the cream of mushroom soup with a bit of water or broth to thin slightly, then pour evenly over the casserole.

Sprinkle shredded cheddar cheese over the top.

Bake uncovered for 30-35 minutes, or until hot and bubbly and the cheese is melted and golden.

Let cool slightly before serving.

Servings and timing

This recipe yields approximately 8 servings.Preparation time: 20 minutesBaking time: 35 minutesCooling time: 10 minutesTotal time: 1 hour 5 minutes

Variations

Use sweet potatoes instead of regular mashed potatoes for a sweeter twist.

Add cranberry sauce as a middle layer for a tangy-sweet contrast.

Replace green beans with peas or corn if preferred.

Use leftover gravy instead of cream of mushroom soup for a richer flavor.

Add crispy fried onions on top for added crunch.

storage/reheating

Store leftovers in an airtight container in the refrigerator for up to 4 days.To reheat, place portions in the microwave for 1-2 minutes or reheat in a 350°F oven for 15-20 minutes until warmed through.For longer storage, freeze individual portions for up to 2 months and thaw overnight in the refrigerator before reheating.

FAQs

Can I use store-bought stuffing mix?

Yes, boxed stuffing mix works well and saves time. Just prepare it according to the package directions.

Do I have to use cream of mushroom soup?

No, you can substitute with cream of chicken or cream of celery soup.

Can I make this casserole ahead of time?

Absolutely. Assemble the casserole up to a day in advance, cover, and refrigerate. Bake when ready to serve.

What kind of turkey works best?

Any cooked turkey—roasted, grilled, or leftover from Thanksgiving—works great in this dish.

Can I add gravy?

Yes, layering or serving with gravy enhances the savory flavors.

Is this casserole freezer-friendly?

Yes, it freezes well. Wrap tightly and store for up to 2 months.

How do I make it vegetarian?

Use a meat substitute like tofu or tempeh, vegetable broth, and omit the turkey.

Can I use rotisserie chicken instead?

Yes, it’s a great shortcut if you don’t have turkey.

What sides go well with this casserole?

A simple salad, cranberry sauce, or dinner rolls pair nicely.

Can I use fresh green beans?

Yes, just blanch them beforehand to ensure tenderness.

Conclusion

All-In-One Thanksgiving Casserole is the ultimate solution for enjoying holiday flavors without the hassle of cooking a full meal. Whether you’re using leftovers or preparing it from scratch, this cozy dish brings together the essence of Thanksgiving in every bite. Perfect for busy weeknights, potlucks, or holiday feasts, it’s sure to become a seasonal favorite.

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