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Keto Cheeseburger Casserole

Meaty and cheesy with a creamy extra-cheesy mashed cauliflower base, this easy 2-layer keto Cheeseburger Casserole is just too gosh darn good! Loaded with flavor and hardly any net carbs, this is a meal you can dig into!

keto cheeseburger casserole in a casserole dish

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Packed with all your favorite cheeseburger flavors, this keto Cheeseburger Casserole is a complete meal all in one dish. You get plenty of veg in this well-balanced and oh-so-delicious keto meal with two tasty layers.

I love this casserole. I love that it’s meaty and cheesy, and the bottom cheesy mashed cauliflower layer makes sure I get a good serving of vegetables with every scoop.

Don’t like mashed cauliflower? Leave it out and make this a 1-layer low-carb cheeseburger casserole.

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Ingredients

Grab your cheese grater, and let’s get cooking! You can be noshing on this keto Cheeseburger Casserole with dill pickles in about 40 minutes!

For the creamy cauliflower base:

  • Cauliflower – One medium-sized head will work. Fresh cauliflower is best with this recipe.
  • Heavy whipping cream – To make the cauliflower mash silky smooth.
  • White cheddar – You can use yellow cheddar, but then your mash will be yellowish.
  • Egg – Just 1 egg to help bind the mash.

For the beefy layer:

  • Ground beef – I use lean ground beef in this recipe, so I don’t have to drain off fat.
  • Onion powder – I save a few carbs by using onion powder.
  • Garlic powder – Gotta have some garlic flavor!
  • Salt and pepper – To season the beef.
  • Cream cheese – This will make the beefy layer creamy.
  • Worchestershire sauce – Adds more flavor to the cheeseburger layer.
  • Ketchup – Use your favorite sugar-free brand.
  • Cheddar cheese – Shred it yourself to avoid the starchy anti-clumping agents added to pre-shredded cheese.

For the topping:

  • Yellow mustard – Regular hot dog mustard is fine.
  • Sour cream – Full fat, please.
  • Pickles, red onions, and diced tomatoes – All optional, but they add flavor, texture, and color.

Recommended

How to Make Keto Cheeseburger Casserole

  1. Cut the cauliflower into florets, put it in a bowl with 1/4 cup of water, and cover it with plastic wrap. Microwave on high to steam it until tender.
  2. Drain the cauliflower and puree it with cream, egg, and white cheddar cheese until smooth. Set aside.
  3. Brown the beef along with the onion and garlic powder, salt and pepper. Drain off any excess fat and discard the fat.
  4. Turn the heat down to low and add the cream cheese, stirring until it is melted.
  5. Add the Worcestershire sauce and sugar-free ketchup. Adjust the seasoning with salt and pepper.
  6. Add the mashed cauliflower in a layer on the bottom of a 9×9 (or similar) casserole dish.
  7. Add the ground beef mixture to the top and sprinkle with cheddar cheese.
  8. Bake covered with foil at 375-F for about 15-20 minutes or until heated through and bubbly.
  9. Top with diced pickle, tomatoes, and onions – all your favorite cheeseburger flavors – and dig in!

Chef Jenn’s Tips

  • Depending on the size of your casserole dish and the size of the cauliflower you used, you may not have to use all of it. Save some for another meal – remember there is raw egg in it, so it should be heated through to cook the egg.
  • The beef mixture should be creamy but not soupy. Be sure to drain off excess fat before adding the cream cheese.
  • Don’t skip the garnishes – they add so much to this dish and amp up the flavors!
  • Don’t care for mashed cauliflower? Skip this layer! Serve the dish with your favorite vegetable sides instead, like Green Beans Almondine with Bacon or bacon-wrapped asparagus.
Keto Cheeseburger Casserole ready to eat.

Make it a Meal

I love serving this meaty casserole with pickled turnips on the side or a light salad. This casserole is already a 1-dish meal, but it’s also very low in net carbs, so you may have a few carbs leftover for a tasty low-carb dessert like keto Turtle Cheesecake Bites or Blueberry Chia Pudding.

Frequently Asked Questions

How many carbs are in keto Cheeseburger Casserole?

There are just 6 net carbs in this meaty and cheesy keto Cheeseburger Casserole recipe.

What kind of cheese is in a keto cheeseburger casserole bake?

I use white and yellow cheddar in this recipe, plus cream cheese. Can you have cheese on a keto diet? Yes, you sure can! Stick to full-fat cheese and enjoy all your favorites.

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Keto Cheeseburger Casserole ready to eat
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4.99 from 50 votes

Keto Cheeseburger Casserole

With a creamy and cheesy mashed cauliflower base and meaty top layer, this keto Cheeseburger Casserole is a hearty 1-dish meal everyone will want seconds of!
Course Main Course
Cuisine American
Keyword beef, beef casserole, burger, cheeseburger, cheeseburger casserole, ground beef, keto cheeseburger casserole
Prep Time 20 minutes
Cook Time 20 minutes
Total Time 40 minutes
Servings 8 servings
Calories 369kcal
Author Chef Jenn

Ingredients

  • 1 head cauliflower
  • 1/4 cup heavy whipping cream
  • 1 egg
  • 1/2 cup white cheddar
  • 2 pounds lean ground beef
  • 1 teaspooon onion powder
  • 1 teaspooon garlic powder q
  • salt and pepper
  • 4 ounces cream cheese
  • 2 tabelspoons worcestershire sauce
  • 1/4 cup keto ketchup
  • 1 cup cheddar cheese

Optional garnishes

  • 1/4 cup sour cream
  • 1/4 cup dill pickles
  • 1/4 cup red onion

Instructions

  • Cut the cauliflower into florets and put it in a bowl with 1/4 cup of water and cover with plastic wrap. Microwave on high to steam it until tender, about 10 minutes.
  • Drain the cauliflower and puree it with the cream, egg, and white cheddar cheese until smooth. Set aside.
  • Brown the beef along with the onion and garlic powder, salt and pepper. Drain off any excess fat and discard the fat.
  • Turn the heat down to low and add the cream cheese, stirring until it is melted.
  • Add the Worcestershire sauce and sugar-free ketchup. Adjust the seasoning with salt and pepper.
  • Add the mashed cauliflower in a layer on the bottom of a 9×9 (or similar) casserole dish.
  • Add the ground beef mixture to the top and sprinkle with cheddar cheese.
  • Bake covered with foil at 375-F for about 15-20 minutes or until heated through and bubbly.
  • Top with diced pickle, tomatoes, and onions – all your favorite cheeseburger flavors. A bit of sour cream is perfect on the top, too!

Notes

Chef Jenn’s Tips

  • Depending on the size of your casserole dish and the size of the cauliflower you used, you may not have to use all of it. Save some for another meal – just remember there is raw egg in it so it should be heated through to cook the egg.
  • The beef mixture should be creamy but not soupy. Be sure to drain off excess fat before adding the cream cheese.
  • Don’t skip the garnishes – they add so much to this dish and really amp up the flavors!
  • Don’t care for mashed cauliflower? Skip this layer! Serve the dish with your favorite vegetable sides instead, like Green Beans Almondine with Bacon or bacon-wrapped asparagus.

Nutrition

Serving: 1cup | Calories: 369kcal | Carbohydrates: 8g | Protein: 33g | Fat: 23g | Saturated Fat: 12g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 7g | Trans Fat: 1g | Cholesterol: 139mg | Sodium: 437mg | Potassium: 772mg | Fiber: 2g | Sugar: 4g | Vitamin A: 722IU | Vitamin C: 37mg | Calcium: 215mg | Iron: 4mg | Net Carbohydrates: 6g

A Note on Nutritional Information

Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed. Erythritol carbs (sugar substitutes) are not included in the carbohydrate counts as they have been shown not to impact blood sugar, and they have zero calories and zero carbs. Net carbs are the total carbs minus fiber.

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about jenn

Hi, I’m Jenn!

I’m a cookbook author (Keto Soup Cookbook and Keto Diabetic Cookbook and Meal Plan) as well as a retired chef, recipe developer, and writer of this blog (that’s a lot of hats!). I embarked on a journey to create foodie-worthy Keto-friendly meals that any home cook can be proud of! No matter if you’re low-carb, no-carb, dirty, or strict Keto, there are recipes in Keto Cooking Wins for you and your family. Read more...

8 thoughts on “Keto Cheeseburger Casserole”

  1. 5 stars
    Oh my goodness – a cheeseburger casserole AND it’s keto? You made me very happy – it was awesome!

    Reply
  2. 5 stars
    My family didn’t leave a morsel of this casserole in the baking dish. lol Was definitely the hit at our recent family dinner. The grandkids even had seconds!

    Reply
  3. 5 stars
    Thank you so much for sharing this amazing recipe! Will surely have this again! It’s really easy to make and it tasted so delicious! Highly recommended!

    Reply
  4. 5 stars
    This casserole got so famous last night! My kids loved it! This not going to be the last time I made it! 🙂

    Reply
  5. 5 stars
    This is the most delicious casserole I’ve ever eaten! And I’ve made a lot of low-carb casseroles over the years.

    It’s even better than the KETO CHICKEN ZUCCHINI CASSEROLE and the King Ranch Casserole and the Taco Casserole from this wonderful website.

    I was disappointed that it it listed sour cream as an ingredient but never said what to do with it. I assume you’re supposed to add it into the cooked cauliflower mixture for pureeing. It also didn’t mention that the dill pickles and mustard were garnish ingredients. But the recipe was so delicious that I didn’t even care all that once I tasted the amazingly delicious finished dish.

    Reply
    • I’m obv a better cook than an editor! First, I’m delighted you loved the recipe and thanks for coming back to share your thoughts! Second, I’ll fix up those booboos right now! ~Jenn

      Reply
4.99 from 50 votes (44 ratings without comment)

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