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21 Low Carb Casserole Ideas

If you know me, then you know I love the humble casserole. With plenty of casserole recipes in your arsenal, you’ll never be without something to have for dinner. They’re so versatile!

But that’s not even the best part. Casseroles are leftover-central, allowing you to whip up a big batch of delicious food all at once and save plenty for later.

This is why I call on casserole recipes for all things low-carb. You can prepare your low-carb meals ahead of time, so you’re always ready when carb-heavy cravings come calling.

Ready to dive in? Here are twenty-one of my favorite low-carb casserole ideas to get you started.

low Carb Casseroles

1. Keto Broccoli Casserole

Keto Broccoli Casserole


First up is my 5-ingredient keto broccoli casserole, designed to make any night of the week a little easier. This is high in protein and low in carbs, and doesn’t skimp on flavor.

I reach for this recipe all the time. It’s a real life-saver, providing all the nutrients you need with very few net carbs.

Per Serving:

• Calories: 321

• Fats: 26g

• Protein: 12g

• Net Carbs: 9.5g

2. Keto Egg Casserole with Bacon and Broccoli

Keto Egg Casserole with Bacon and Broccoli


Next up is a variation on my broccoli casserole, some food for thought! This is like a low-carb version of a quiche, packed to the brim with delicious bacon and egg.

Thanks to the broccoli, this also happens to be a tasty, high-fiber, low-carb masterpiece.

Per Serving:

• Calories: 453

• Fats: 37g

• Protein: 23g

• Net Carbs: 6.2g

3. Chicken Fajita Casserole

Chicken Fajita Casserole


Chicken fajitas are a well-known staple of the Mexican food roulette, and one well worth knowing. That said, they can be a bit fussy to make without the right recipe.

This casserole transforms this well-known Mexican dish into a simple low-carb casserole. No tortillas needed, just a scoop of this cheese-heavy deliciousness.

Per Serving:

• Calories: 379

• Fats: 20g

• Protein: 38g

• Net Carbs: 7g

4. Keto Tater Tot Casserole

Keto Tater Tot Casserole


Living a low-carb lifestyle can feel a little sad sometimes, if you don’t know how to incorporate your favorite dishes into your life. But where there’s a will, there’s a way!

Case in point: this tater tot casserole. Rather than tots, this recipe uses riced cauliflower to create the fluffy, mashed potato quality with some delicious crispiness.

Per Serving:

• Calories: 170

• Fats: 10g

• Protein: 13g

• Net Carbs: 3g

5. Cauliflower Broccoli Bake with Alfredo

 Cauliflower Broccoli Bake with Alfredo


Speaking of the powers of cauliflower, here’s another take on a broccoli bake! This is a creamy, delicious casserole rich with parmesan cheese and classic alfredo sauce.

This can be great as a side dish or a main, especially if you want to add some protein into the mix.

Per Serving:

• Calories: 49

• Fats: 4g

• Protein: 2g

• Net Carbs: 1g

6. Creamy Spinach Artichoke Chicken Casserole

Creamy Spinach Artichoke Chicken Casserole


Kick things up a notch with a delicious casserole inspired by spinach and artichoke dip! This is a tasty mid-week treat absolutely covered in cheese.

The chicken in this dish helps ensure there’s plenty of protein to go around.

Per Serving:

• Calories: 333

• Fats: 24.6g

• Protein: 2.7g

• Net Carbs: 5.6g

7. Creamy Keto Cod and Spinach Casserole

 Creamy Keto Cod and Spinach Casserole


Next up, an alternative spinach casserole option that uses cod instead of chicken! This is a great way to get some more omega-3 into your diet (which we can only get from our food!).

Make this casserole your own by including your favorite vegetables or spices to switch things up. When in doubt, a sprinkle of cheese goes a long way.

Per Serving:

• Calories: 510

• Fats: 35g

• Protein: 42g

• Net Carbs: 3g

8. Keto Creamy Spinach Chicken Casserole

Keto Creamy Spinach Chicken Casserole


Looking for a tasty option to have you sailing through your mid-week meals? This keto creamy chicken casserole is the one to beat. Packed to the gills with spinach, this is rich in iron and protein.

This takes almost no time to prepare, which makes it a fantastic weeknight option. This is gluten-free and super tasty, so it’s a great option if you need  a potluck dish.

Per Serving:

• Calories: 535

• Fats: 37.1g

• Protein: 19g

• Net Carbs: 5.1g

9. Greek Sausage Breakfast Casserole with Spinach and Feta

Greek Sausage Breakfast Casserole with Spinach and Feta


Next up, let’s take a page out of the Greek cookbook with a delicious breakfast casserole. This casserole reigns supreme with plenty of spinach and feta.

The Mediterranean flare in this recipe makes it a great choice if you’re seeking something fresh and high protein. While it’s designed for breakfast eating, this is great at any time of day.

Per Serving:

• Calories: 220

• Fats: 13g

• Protein: 19g

• Net Carbs: 6g

10. Greek Chicken Casserole

Greek Chicken Casserole


Speaking of Greek inspiration, this next casserole also hails from Greece. Packed with ingredients like artichoke hearts, roasted peppers, and kalamata olives, this is a unique choice!

Warm, rich with flavors, and bursting with nutrients, this is a must-try for anyone seeking a healthy casserole option.

Per Serving:

• Calories: 404

• Fats: 33g

• Protein: 21g

• Net Carbs: 3g

11. Tex-Mex Keto Squash Casserole

 Tex-Mex Keto Squash Casserole


Tex-Mex cuisine is one of my favorites, because it’s all about comfort, comfort, comfort. This makes it ideal for keto-friendly meals, since Tex-Mex meals are easy to make in a low-carb way.

Case in point: this tasty casserole! Rather than using potatoes, this casserole uses yellow squash to create the perfect texture and taste.

Per Serving:

• Calories: 248

• Fats: 21g

• Protein: 8g

• Net Carbs: 7g

12. Broccoli Casserole

Broccoli Casserole


Can you tell that I’m a fan of broccoli casseroles? Loaded to the brim with different vegetables and drizzled in creamy sauce, this is a textural take on this casserole.

From scratch, this whole thing takes less than an hour to make.

Per Serving:

• Calories: 387.43

• Fats: 32.82g

• Protein: 14.75g

• Net Carbs: 7.86

13. Chicken Bacon Ranch Casserole

Chicken Bacon Ranch Casserole


If you’re anything like me, then the idea of a chicken, bacon, and ranch casserole makes your heart want to sing. This is such a classic comfort food combination!

This is a great dish for the family (and an excellent way to sneak some extra broccoli into your kids’ diets).

Per Serving:

• Calories: 447

• Fats: 35.8g

• Protein: 37.3g

• Net Carbs: 4.4g

14. Ham Asparagus Casserole

 Ham Asparagus Casserole


Take a walk on the fancy side with this French-inspired ham and asparagus casserole. This is a springtime dish packed with delicious asparagus. On top is a layer of creamy, addictive bechamel.

This is a perfect family weeknight dinner dish, and just as good the next day, too.

Per Serving:

• Calories: 160

• Fats: 10g

• Protein: 10g

• Net Carbs: 6g

15. Big Mac Casserole

Big Mac Casserole


We all know the iconic Big Mac! Unfortunately, it’s not the healthiest choice in the world, so it’s not ideal for the low carb lifestyle. Fear not, there’s a solution.

This is a keto-friendly big mac casserole that features all the flavors you know and love. Easy to make and delicious, this comes together in just thirty minutes!

Per Serving:

• Calories: 556

• Fats: 51g

• Protein: 45g

• Net Carbs: 5.8g

16. Shirataki Tuna Noodle Casserole

Shirataki Tuna Noodle Casserole


Cutting back on carbs doesn’t have to mean giving up on the ingredients you know and love, and that includes noodles. This is a tweaked version of a well-known comfort food classic.

I love leaning on this low-carb tuna casserole when I need something to get me through the middle of my week. Give it a try, and you can thank me later!

Per Serving:

• Calories: 272

• Fats: 22.7g

• Protein: 15.5g

• Net Carbs: 2g

17. Eggs Benedict Casserole

 Eggs Benedict Casserole


Eggs benedict is an absolutely delicious breakfast, but fairly fussy to make. With all those components, it’s not exactly a dish suited to busy mornings.

But why not try a remix? This is a simple version of the classic breakfast dish that allows you to indulge in as much hollandaise sauce as you’d like.

Per Serving:

• Calories: 280

• Fats: 21g

• Protein: 20g

• Net Carbs: 2g

18. Keto BBQ Chicken Casserole

 Keto BBQ Chicken Casserole


BBQ chicken is an unrivalled crowd-pleaser. That’s just the natural order of the world. If you bring a BBQ chicken casserole to the party, you’ll be loved forever.

The key with this dish is to top it with plenty of fresh vegetables to balance out all that richness!

Per Serving:

• Calories: 359

• Fats: 23g

• Protein: 34g

• Net Carbs: 5g

19. Loaded Baked Cauliflower Casserole

Loaded Baked Cauliflower Casserole


You’ve heard of the potato, but now I’d like to introduce you to its low-carb counterpart… the ‘faux-tato’. This casserole screams ‘Eat Me!’ just from the sheer look of that melted cheese and bacon.

The riced cauliflower helps create a mashed potato texture, ensuring you get all the feeling of a baked potato with none of the carbs.

Per Serving:

• Calories: 290

• Fats: 23.6g

• Protein: 15.3g

• Net Carbs: 5.5g

20. Keto Reuben Casserole

Keto Reuben Casserole


A good old-fashoined Reuben sandwich is a lifesaver when you need a pick-me-up… but that bun is not low-carb friendly. Instead, why not try this keto-friendly casserole version?

Packed to the brim with delicious cheese and plenty of crispy vegetables, this is not to be missed.

Per Serving:

• Calories: 407

• Fats: 26g

• Protein: 29g

• Net Carbs: 3g

21. Zucchini Noodle Casserole

Zucchini Noodle Casserole


Finally, it’s time to celebrate the humble zucchini. This is a unique casserole thanks to the egg base and the crunchy gluten-free topping.

If you grow your own zucchini at home or need a way to use a big batch of them up, this is the casserole for you. Light, low-carb, and absolutely delicious!

Per Serving:

• Calories: 110

• Fats: 6.6g

• Protein: 9.7g

• Net Carbs: 3.5g

And with that last entry, you have twenty-one new recipes to include in your low-carb casserole Rolodex. I hope you found one or two recipes that you want to try in the coming week.

Whether you’re cooking for you and your family or you’re meal prepping for one, remember your food safety! Store leftovers promptly and seal everything in air tight containers to keep your casseroles fresh.

That way, you’ll be able to enjoy them at their best the next day, and keep unwanted foodborne bacteria out of the equation.

Happy cooking, and I’ll see you in the next roundup!