Thanksgiving is all about comfort food that brings friends and family together. Nothing brings comfort like these Thanksgiving casserole ideas under 500kcal.

This year, I’ve decided to bake casseroles – yummy, hearty, warming, and filling dishes that practically make themselves, leaving me precious time to enjoy with everyone else.

Can’t get past turkey, stuffing, and mashed potatoes? Don’t stress, I have a tempting list of 21 high-protein Thanksgiving casserole dishes that keep things light, each one under 500 Kcal, and each one totally delicious.

From sweet potato black bean casserole to stuffed pepper casserole, lazy lasagna casserole and cheesy turkey casserole, you’ll be able to please all tastes. It’s time to indulge in savory goodness without feeling stuffed like a turkey.

1. Chicken Parmesan Casserole

Source: allnutritious.com

First up – a cheesy, savory casserole that brings all the comfort of chicken parm in a high-protein, one-pan meal, perfect for Thanksgiving.

Loaded with chicken, rigatoni, marinara, mozzarella, and Parmesan, it’s a dump-and-bake recipe that feels like a treat without the stress.

Serve it with a quick, easy salad, and watch everyone dig in with gratitude at the holiday table.

Per Serving:

• Calories: 503
• Fats: 11g
• Protein: 37g
• Carbs: 61g
• Fiber: 4.6g
• Sugar: 7.7g

2. Fajita Chicken Casserole

Imagine zesty, juicy, tender chicken, vibrant peppers, onions, and gooey mozzarella cheese, all baked into a tasty high-protein dish.

It’s perfect for warming tummies and hearts on Thanksgiving. Best of all, you need minimal prep time to get it together and only one baking dish.

Per Serving:

• Calories: 363
• Fats: 13g
• Protein: 49g
• Carbs: 10g
• Fiber: 2.5g
• Sugar: 3.8g

3. Sweet Potato Black Bean Casserole

Source: allnutritious.com

Sweet, spicy, hearty, and filling – my sweet potato black bean casserole uses simple ingredients to bring a healthy option to your Thanksgiving table.

Serve it with a dollop of Greek yogurt, fresh cilantro, and a side of roasted Brussels sprouts for a festive fall combo.

Per Serving:

• Calories: 492
• Fats: 14g
• Protein: 23g
• Carbs: 71g
• Fiber: 15g
• Sugar: 9g

4. Buffalo Chicken Sweet Potato Casserole

Source: allnutritious.com

If the fam thinks casseroles are boring, this healthy Thanksgiving dinner recipe is sure to change their minds.

Tempt them with the strong flavors of buffalo chicken combined with the rich and sweet taste of sweet potatoes and the fresh crunchiness of broccoli. It’s creamy, spicy, and comforting.

Serve it with garlic bread to soak up all the delicious sauce.

Per Serving:

• Calories: 443
• Fats: 22g
• Protein: 35g
• Carbs: 29g
• Fiber: 6.8g
• Sugar: 6.5g

5. Stuffed Pepper Casserole

Source: allnutritious.com

This cozy, one-pan bake layers ground beef, rice, peppers, tomato sauce, and cheese into a nourishing, high-protein dish.

It’s great for Thanksgiving when you want something hearty yet light enough to leave room for pumpkin pie later. Serve it piping hot with parsley and a crisp green salad, and it’ll become an annual favorite.

Per Serving:

• Calories: 386
• Fats: 7g
• Protein: 23g
• Carbs: 35g
• Fiber: 3.3g
• Sugar: 4.6g

6. Lazy Lasagna Casserole

Source: allnutritious.com

Here’s the perfect dish if you’re craving a classic lasagna but don’t want to spend hours in the kitchen like an Italian grandma.

Simply dump all the ingredients into one bowl, let your oven do the work, and you have a flavor-packed, comforting meal of tender pasta, savory beef, creamy cheese, and a hearty sauce.

Per Serving:

• Calories: 449
• Fats: 22g
• Protein: 32g
• Carbs: 28g
• Fiber: 3.9g
• Sugar: 9.2g

7. Meatballs Pasta Casserole

Source: allnutritious.com

This pasta offers an irresistible combo of juicy meatballs,  tender pasta, melty mozzarella cheese, and classic Italian seasoning, all in a high-protein, under 500 Kcal, easy-to-make dish.

I LUV making this for Thanksgiving, because I can dump-and-go and spend time with the fam instead of standing in the kitchen.

You can also make it more ‘Thanksgiving’ by using turkey instead of beef.

Per Serving:

• Calories: 369
• Fats: 21g
• Protein: 22g
• Carbs: 21g
• Fiber: 2.7g
• Sugar: 5.6g

8. Chicken Broccoli Bake

Source: allnutritious.com

Healthy, nutritious, gluten-free, and high-protein. Doesn’t sound like a Thanksgiving dinner? You’ll surprise everyone with this scrumptious chicken broccoli bake.

Every bite offers a combination of cheese, chicken, and broccoli, all mixed with cream cheese to provide a delicious creamy experience.

To ramp it up for Thanksgiving, I like to add bacon, sausage, and exotic veggies like mushrooms and eggplant.

Per Serving:

• Calories: 354
• Fats: 24g
• Protein: 26g
• Carbs: 8.9g
• Fiber: 2.4g
• Sugar: 2.8g

9. Keto Zucchini Beef Casserole

Source: allnutritious.com

My Thanksgiving tip – find a recipe that you can throw together quickly so you’re not stuck in the kitchen while everyone else enjoys the festivities. And, that doesn’t mean serving up boring, bland food.

This under-500 Kcal, one-pan wonder is packed with savory beef, creamy cheese, tender zucchini, and a wonderful mix of seasonings that tie it all together.

Per Serving:

• Calories: 443
• Fats: 35g
• Protein: 26g
• Carbs: 6.1g
• Fiber: 1.2g
• Sugar: 2.6g

10. Tex Mex Casserole

Source: allnutritious.com

Craving Tex Mex flavors at Thanksgiving? No need to order in, this fab one-pan dish will satisfy all those cravings – and it’s super healthy.

It’s a spicy fiesta of seasoned beef (or chicken), beans, peppers, tangy tomatoes, and melty cheese in every bite. Serve it with avocado slices and fresh salsa to enhance the Tex Mex vibe.

Per Serving:

• Calories: 269
• Fats: 14g
• Protein: 20g
• Carbs: 16g
• Fiber: 3.6g
• Sugar: 1.8g

11. Keto Chicken Bacon Ranch Casserole

Source: allnutritious.com

Next up – a fabulous, protein-packed, low calorie, hearty meal that feels festive but won’t overpower the rest of your Thanksgiving spread.

This creamy casserole layers juicy chicken, crispy bacon, and ranch seasoning in a cheesy, crowd-pleasing bake. Make a large dish, because it’s sure to disappear fast.

Per Serving:

• Calories: 315
• Fats: 22g
• Protein: 25g
• Carbs: 4.2g
• Fiber: 0.9g
• Sugar: 1.8g

12. Teriyaki Chicken Casserole

Source: allnutritious.com

Making Teriyaki chicken can be time-consuming, but this amazing recipe is so simple to prep, and you don’t need any fancy ingredients, cookware, or complex cooking techniques.

Best of all, my homemade teriyaki sauce is a healthier swap for store-bought – made with low-sodium soy sauce, honey, and fresh garlic.

As it bakes, it soaks into the tender chicken and colorful veggies, making this dish a new holiday staple.

Per Serving:

• Calories: 428
• Fats: 3.7g
• Protein: 35g
• Carbs: 64g
• Fiber: 2.9g
• Sugar: 20g

13. Keto Jalapeno Popper Casserole

Source: allnutritious.com

Knowing that some of your guests follow a Keto diet should not cause you stress when you want to relax and enjoy Thanksgiving.

Grab this recipe and you’ll impress them with a healthy dish that brings everything they love about jalapeno poppers – cheesy, spicy, and loaded with smoky bacon – without the frying.

Don’t forget to top it with extra cheese or sliced jalapenos for a touch of flair.

Per Serving:

• Calories: 438
• Fats: 31g
• Protein: 34g
• Carbs: 5.4g
• Fiber: 0.6g
• Sugar: 2.1g

14. Keto Cheesy Philly Casserole

Source: allnutritious.com

For this dish, I’ve taken inspiration from the American Philadelphia cheesesteak classic – thinly sliced beef, melted cheese, onions, and bell peppers, all served in a soft hoagie roll.

My casserole brings all these well-loved flavors in a one-pan dish that’s comforting, Keto-friendly, high-protein and low in calories.

You are sure to get rave reviews from everyone at the table.

Per Serving:

• Calories: 338
• Fats: 22g
• Protein: 28g
• Carbs: 6.7g
• Fiber: 1.3g
• Sugar: 2.6g

15. Southwest Chicken Casserole

Who can resist bold southwest flavors? I can’t, and that’s why I love making this chicken casserole dish for Thanksgiving.

Think – tender chicken, black beans, corn, smoky paprika, and salsa all layered over Basmati rice with melted cheddar. It’s no-fuss, easy-to-make, and always a winner.

Per Serving:

• Calories: 376
• Fats: 10g
• Protein: 37g
• Carbs: 34g
• Fiber: 7.6g
• Sugar: 6.4g

16. Broccoli Cauliflower Casserole

Source: allnutritious.com

This creamy veggie-packed casserole layers broccoli, cauliflower, and sausage in a cheesy Dijon-mustard sauce for a protein-rich comfort dish.

It’s a fun alternative to turkey and mash, and will impress your guests with its cozy flavors.

You can also make it ahead of time and simply heat it up on the day. An awesome idea to allow you to enjoy the festivities with everyone else and not be stuck in the kitchen.

Per Serving:

• Calories: 388
• Fats: 32g
• Protein: 17g
• Carbs: 12g
• Fiber: 2.4g
• Sugar: 3.6g

17. Keto Chicken Cauliflower Casserole

Source: allnutritious.com

You don’t have to follow a Keto diet to enjoy this amazing dish. Everyone, including the kids, will LUV it.

It’s a fab bake of tender chicken, flavorful cauliflower florets, and crispy bacon, all enveloped in a rich and creamy sauce, ready to serve with minimal work. Pair it with stuffed mushrooms and cornbread for the perfect upscale, but comforting, Thanksgiving meal.

Per Serving:

• Calories: 342
• Fats: 27g
• Protein: 21g
• Carbs: 4.6g
• Fiber: 0.6g
• Sugar: 1.5g

18. Cheesy Turkey Casserole

Source: all-thats-jas.com

Do you have guests staying over after Thanksgiving? This recipe from Jas uses up the tasty leftovers to make a fabulous one-dish cheesy turkey casserole.

I love making this the morning after Thanksgiving – just layer, bake, and let the aroma chase away any leftover turkey fatigue, while you relax, reminisce, and create lifetime memories with friends and family.

Per Serving:

• Calories: 420
• Fats: 13g
• Protein: 28g
• Carbs: 42g
• Fiber: 2g
• Sugar: 2g

19. Healthy Buffalo Chicken Pasta Bake

Source: hellospoonful.com

Comfort meets protein in this delish dish from Hello Spoonful. It’s full of tender shredded chicken, pasta, creamy, cheesy flavor, and fresh yogurt with just enough spice from the buffalo sauce.

To make it vegetarian, simply omit the meat and use lentil or chickpea pasta. Everyone will love it, even meat eaters.

Per Serving:

• Calories: 301
• Fats: 8g
• Protein: 24g
• Carbs: 32g
• Fiber: 1g
• Sugar: 2g

20. Chicken and Rice Casserole

Source: ifoodreal.com

Just 10 ingredients, one pot and minimal time to make, this is my perfect Thanksgiving meal to get me out of the kitchen.

It uses brown rice, tender chicken, and broccoli, all brought together with creamy yogurt and melted cheese, with no canned soup in sight.

With hearty flavor and balanced nutrition, it’s a comforting dish that fits right in at Thanksgiving without leaving everyone feeling heavy and tired.

Per Serving:

• Calories: 378
• Fats: 12g
• Protein: 23g
• Carbs: 45g
• Fiber: 4g
• Sugar: 3g

21. Butternut Squash Cranberry Stuffing Casserole

Source: babaganosh.org

Kate’s festive bake is a decadent combination of tangy cranberries, savory celery and onion, aromatic fresh herbs and crunchy, toasted chopped pecans. Yummy!

Your guests will think you spent hours in the kitchen making this restaurant-worthy dish. It’s also vegetarian-friendly, soul-warming and high in protein – more reasons to give it a try.

Per Serving:

• Calories: 255
• Fats: 8g
• Protein: 5g
• Carbs: 43g
• Fiber: 3g
• Sugar: 22g

22. Ground Turkey Enchilada Casserole

Source: masonfit.com

Here is a match made in Thanksgiving heaven – ground turkey, fire-roasted bell peppers, onions and corn, black beans, red enchilada sauce, shredded Mexican cheese, corn tortillas, and more!

Just grab the recipe and make this awesome dish.

To make it even more decadent, garnish it with scallions, diced tomatoes, cotija cheese,  cilantro, pico de gallo, black olives, or sour cream.

Per Serving:

• Calories: 355
• Fats: 10g
• Protein: 31g
• Carbs: 37g
• Fiber: 9g

23. Chicken Bacon Ranch Casserole

Source: wholesomeyum.com

Can I call this a hug-in-a-bake? Try it out and let me know!

This creamy dish wraps tender chicken, crispy bacon, and ranch flavor in a cheesy, veggie-filled bite with a protein punch and low calories.

I love that it’s a one-dish wonder – less stress, less cleanup, and more time to enjoy the holiday.

Per Serving:

• Calories: 447
• Fats: 35.8g
• Protein: 37.3g
• Carbs: 6g
• Fiber: 1.6g
• Sugar: 1.3g

24. Sweet Potato Ground Beef Casserole

Source: theroastedroot.net

Thanksgiving is all about gratitude, good food, and gathering around the table, and this casserole delivers on all three.

Share this scrumptious, heartwarming dish of ground beef, sweet potatoes, onions, garlic, spinach, and melty cheese with loved ones. You’ll also feel good knowing that it’s packed with fiber, protein, and plenty of vitamins, while being low in calories.

Per Serving:

• Calories: 455
• Fats: 20g
• Protein: 30g
• Carbs: 38g
• Fiber: 4g
• Sugar: 7g

25. Ground Turkey Lasagna Casserole

Source: masonfit.com

Are you tired of traditional turkey for Thanksgiving? Why not try this tempting recipe from Mason Woodruff?

It’s an easy-to-make one-pan dish that combines extra lean ground turkey with a jar of your favorite marinara, onion and garlic, and a ricotta and an Italian cheese blend. Delish!

Per Serving:

• Calories: 380
• Fats: 12g
• Protein: 36g
• Carbs: 34g

26. Broccoli Casserole with Turkey

Source: ketocookingwins.com

This is a great dish to make ahead of time and simply warm it up for serving.

Using minimal ingredients, it’s a simple and smart combination of loads of tender turkey, a creamy sauce, fresh broccoli, a hint of smoky bacon, and a drool-worthy, crunchy, buttery topping.

Per Serving:

• Calories: 287
• Fats: 22g
• Protein: 15g
• Carbs: 8g
• Fiber: 2g
• Sugar: 3g

27. Spaghetti Squash Casserole with Turkey

Source: sulaandspice.com

Low cal and high protein, but still bursting with flavor and Thanksgiving vibes.

This casserole turns spaghetti squash into a low-carb “noodle” base, topped with savory ground turkey, tomato sauce, and melted cheese.

It’s lighter but still warming, and ready to take center stage on the holiday table.

Per Serving:

• Calories: 317
• Fats: 19g
• Protein: 29g
• Carbs: 9g
• Fiber: 2g
• Sugar: 4g