Name: Leftover Turkey Casserole with Cheddar and Broccoli Recipe
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: American
Ingredients: 3 ½ cups cooked leftover turkey, chopped finely; 4 ½ cups cooked brown rice; 2 tbsp olive oil or avocado oil; 1 small sweet onion, finely chopped; 3 cloves garlic, minced; 12 oz fresh broccoli florets, torn into smaller pieces; 1 tsp garlic powder; ½ tsp onion powder; 1 tsp poultry seasoning; ½ tsp sage; 1 tsp celery salt; Salt and pepper to taste; 1/3 cup Greek yogurt (or dairy-free yogurt); 1 1/2 - 2 cups shredded cheddar cheese; 2 1/4 cups milk of choice (dairy-free coconut milk, unsweetened almond milk); 1 cup chicken broth; ⅓ cup butter; ¼ cup all-purpose flour; ½ cup shredded cheddar cheese (for sauce); ¼ cup Greek yogurt (to add to sauce); 10 oz can of cream of chicken soup (can be substituted for sauce)

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If you’re wondering what to do with that extra turkey from your holiday feast or a simple roast chicken dinner, you’re in for a real treat. This Leftover Turkey Casserole with Cheddar and Broccoli Recipe transforms humble leftovers into a comforting, creamy, and irresistibly cheesy meal that feels both homey and special. With tender turkey, nutrient-packed broccoli, and a luscious cheddar sauce all baked to golden perfection, this casserole is the perfect go-to whenever you want something nourishing, easy, and utterly delicious.

Ingredients You'll Need

A white rectangular baking dish filled with a creamy casserole that has a top layer of melted bright yellow cheese sprinkled with small green broccoli florets and black pepper. A portion of the casserole is scooped out from the bottom left corner, showing the inside layers which include a mix of white creamy sauce, light beige chunks, and green pieces, with a golden metal serving spoon resting in the dish. Around the dish on a white marbled surface are a bowl of shredded yellow cheese, a small bowl with a light creamy sauce, and a white bowl with a bite of casserole and a gold fork. Photo taken with an iphone --ar 4:5 --v 7

The beauty of this dish lies in its simplicity and purposeful ingredients. Each item adds its own magic, from the sharpness of cheddar to the wholesome bite of brown rice, creating the perfect harmony of flavor, texture, and color.

3 ½ cups cooked leftover turkey: finely chopped to distribute that savory flavor throughout the casserole.
4 ½ cups cooked brown rice: provides a hearty, nutty base that balances the creamy sauce.
2 tablespoon olive oil or avocado oil: essential for sautéing and adding subtle richness.
1 small sweet onion: finely chopped to add natural sweetness and depth.
3 cloves garlic: minced to infuse a wonderful aromatic punch.
12 oz fresh broccoli florets: torn smaller to blend smoothly and keep a fresh, green pop of color.
1 teaspoon garlic powder, ½ teaspoon onion powder: extra seasoning layers that enhance flavor complexity.
1 teaspoon poultry seasoning, ½ teaspoon sage, 1 teaspoon celery salt: classic spices that bring warmth and familiar comfort.
Salt and pepper to taste: to balance and highlight every ingredient beautifully.
⅓ cup Greek yogurt (or dairy-free alternative): adds creaminess with a hint of tang, perfect for the sauce and filling.
1 ½ to 2 cups shredded cheddar cheese: melty, sharp, and totally satisfying.
2 ¼ cups milk of choice: makes the sauce silky smooth, and you can use dairy or dairy-free.
1 cup chicken broth: adds savory depth to the sauce base.
⅓ cup butter: for richness and helps create that velvety roux.
¼ cup all-purpose flour: thickens the sauce perfectly.
½ cup shredded cheddar cheese (for sauce): extra cheesy goodness on top.
¼ cup Greek yogurt (to add to sauce): boosts creaminess inside the casserole.
Optional note: You can substitute a 10 oz can of cream of chicken soup for the sauce if you want a shortcut without sacrificing flavor.

How to Make Leftover Turkey Casserole with Cheddar and Broccoli Recipe

Step 1: Preheat and Prepare

Start by preheating your oven to 350°F and greasing your 9x13-inch casserole dish or oven-safe skillet. Getting your oven ready upfront ensures your casserole bakes evenly and that no sticking ruins the cheesy golden top you’re aiming for.

Step 2: Sauté the Aromatics and Turkey

Heat your oil in a skillet over medium heat, then add the garlic and sweet onion. Sauté for 3 to 4 minutes until everything softens and fills the kitchen with that inviting aroma. Stir in the chopped turkey, garlic powder, onion powder, poultry seasoning, sage, salt, and pepper. Cook another 2 to 3 minutes until the turkey warms through and absorbs that wonderful seasoning.

Step 3: Mix in Rice and Broccoli

Now toss in the cooked brown rice and fresh broccoli florets. Stir everything gently so the veggies stay vibrant and the rice evenly absorbs the flavors. This mix is the hearty base ready to be smothered in the creamy cheese sauce that’s coming next.

Step 4: Whip Up the Creamy Sauce

In a saucepan, melt the butter over medium heat. Whisk in the flour and cook for 1 minute to get rid of the raw flour taste and create a roux. Gradually add your milk and chicken broth, whisking constantly until smooth and starting to thicken. Remove from heat, then stir in the shredded cheddar cheese and Greek yogurt. Season with salt and pepper to taste. This sauce is the heart of your casserole’s creamy, dreamy texture.

Step 5: Combine and Add Extra Creaminess

Pour this luscious sauce over the turkey, rice, and broccoli mixture. Gently fold everything together so the sauce coats every bite. For next-level creaminess, stir in an additional ⅓ cup of Greek yogurt. This little extra step brightens the texture and ensures every forkful is pure comfort.

Step 6: Cheese It Up and Bake

Transfer the mixture to your prepared baking dish, then sprinkle 1 ½ to 2 cups of shredded cheddar cheese evenly on top. If you want to impress guests or just satisfy your cheese cravings, add a little extra cheddar on top for that irresistible golden melt. Bake uncovered for 20 to 25 minutes until it’s bubbly and the cheese topping is gloriously melted and lightly golden.

How to Serve Leftover Turkey Casserole with Cheddar and Broccoli Recipe

A white cooking pot filled with small, uneven pieces of cooked chicken mixed with diced cooked onions, both appearing light golden and slightly seasoned with herbs and spices, giving a textured and rustic look. The chicken pieces have a soft, moist texture and are scattered evenly throughout the pot. The pot sits on a white marbled surface, creating a clean and bright background. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

When it comes to garnishes, keep it fresh and simple. A few sprigs of chopped parsley or fresh thyme sprinkled on top add a pop of green and a little herbal brightness. For an added crunch, some toasted breadcrumbs or crushed nuts like pecans can be sprinkled just before serving for texture contrast.

Side Dishes

This casserole is hearty enough to be a full meal, but if you want some sides, think light and fresh. A crisp green salad with a tangy vinaigrette balances the richness perfectly, or serve with roasted root vegetables for a comforting autumn-inspired spread. Light steamed asparagus or a simple cucumber salad also pairs beautifully.

Creative Ways to Present

Want to make your Leftover Turkey Casserole with Cheddar and Broccoli Recipe stand out? Serve it in individual ramekins for a personal touch, or layer it in a pretty glass casserole dish under a sprinkle of cheese for a show-stopping presentation. You could also top portions with a drizzle of hot sauce or a dollop of sour cream for added flavor variety.

Make Ahead and Storage

Storing Leftovers

Once cooled, transfer your casserole leftovers to an airtight container and refrigerate. It will stay delicious and safe to eat for 3 to 4 days. This makes it ideal for quick lunches or dinners during the busy week.

Freezing

If you want to stock up, this casserole freezes beautifully. Portion it into freezer-safe containers and freeze for up to 3 months. Be sure to label with the date so you can enjoy it at your convenience.

Reheating

To reheat, thaw in the refrigerator overnight if frozen. Warm individual servings in the microwave or reheat the whole casserole covered with foil in a 350°F oven for 20 minutes until heated through and bubbly. Adding a little extra shredded cheese on top before reheating brings back that fresh-baked magic.

FAQs

Can I use white rice instead of brown rice?

Absolutely! White rice works just as well in this recipe. Brown rice adds a nuttier flavor and more texture, but feel free to substitute based on what you have or your preference.

Is there a dairy-free option for the cheese and milk?

Yes, you can swap regular cheddar for a dairy-free cheese alternative, and use unsweetened almond milk or coconut milk instead of dairy milk. Using dairy-free Greek-style yogurt keeps the creaminess intact for a delicious lactose-free version.

Can I add other vegetables besides broccoli?

Definitely. Frozen peas, chopped carrots, or even mushrooms make excellent additions or substitutions that bring extra color and nutrition to this casserole.

What if I don't have leftover turkey?

No worries! You can use leftover chicken or even cooked ham for a different twist. The seasoning and sauce will still shine with those proteins.

Can I prepare this casserole entirely ahead of time and bake later?

You sure can. Assemble the casserole and keep it covered in the fridge overnight. When ready, just bake it fresh for the same recommended time. This is perfect for busy days when you want dinner ready at a moment’s notice.

Final Thoughts

This Leftover Turkey Casserole with Cheddar and Broccoli Recipe is the ultimate cozy comfort food that transforms simple leftover ingredients into an incredible meal full of flavor, creaminess, and warmth. It’s easy to make, versatile, and perfect for gathering family or treating yourself after a busy day. Give it a try—you’ll wonder why you hadn’t discovered this delicious solution to leftover turkey sooner!

Ingredients You'll Need