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Home » Creamy Keto Mac and Cheese Casserole

Creamy Keto Mac and Cheese Casserole

By Kim Hardesty

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Tender cauliflower and cubed ham in a creamy cheese sauce topped with crispy bacon. This keto mac and cheese recipe is easy, cheesy and delicious! You’re going to love it.

Want an easy keto dinner the kids are going to like? Need dinner ready in 30 minutes? Are you looking for a creamy, cheesy one-pan keto meal that rivals your childhood comfort favorite? This is it!

Creamy keto cauliflower mac and cheese with ham topped with bacon and sliced scallions in a white oval serving dish with serving spoon. Blue napkin in background.

There are a bazillion recipes for keto mac and cheese around these days. Who would have guessed that a low carb staple like cauliflower would become a mainstream favorite? (See this low carb food list for more low carb vegetables.)

We Low Carbers have enjoyed cauliflower as a rice substitute and as a potato substitute for years. Cauliflower Rice Pilaf and Loaded Cauliflower are two of my favorite keto cauliflower recipes!

Using cauliflower as a pasta substitute was just the next natural progression. I, for one, love low carb cauliflower mac and cheese and all its variations. My family’s current favorite is this creamy keto mac and cheese casserole with ham. It’s hearty, tasty and very easy to prepare.

Typically, a casserole is a mixture of meat and vegetables held together with a starchy binder, eggs, cheese and maybe canned soup to make a creamy sauce. Then it’s cooked in the oven. People like them because they are easy – just throw the ingredients together and let it bake. Keto casseroles take a little extra thought, but they are also easy and full of flavor.

A spoon-full of creamy looking keto cauliflower mac and cheese above a white serving dish of cauliflower mac and cheese with cubed ham topped with bacon and sliced green onions.

Cheesy Keto Mac and Cheese

This keto mac and cheese recipe is more of a stove top casserole and super easy to make. The cheese sauce is made in a pan and then mixed together with the cauliflower and ham.

The addition of ham makes this low carb casserole a hearty “one pan meal”. It’s the perfect recipe for incorporating leftover ham from a holiday dinner. Because cheese, ham, and bacon have a fair amount of sodium, I opt for using low sodium bacon.

TIP: Don’t have leftover ham? Use 1-2 thick slices (1/2 inch) of deli ham, a precooked-dinner ham or a ham steak for this recipe. It’s all good.

Serving of creamy keto cauliflower mac and cheese on a blue and white floral plate with spoon. Larger filled casserole dish, pieces of cauliflower, scallions and a bowl of crispy bacon are in the background.

How to make Cauliflower Mac and Cheese Keto

It’s easy to make cauliflower mac and cheese Keto. Replace the traditional pasta with cauliflower and the flour-thickened cheese sauce with cream cheese and grated cheese. Using a smaller amount of liquid helps keep the sauce nice and thick.

Cut the cauliflower into bite sized florets and steam (I use my microwave). While the cauliflower cooks, Dice the bacon and fry on medium heat in a 10-12 inch frying pan. When crispy, remove and drain on paper towels.

Dice the onion, mince the garlic, cube the ham, and grate the cheeses. When the cauliflower is tender, drain very well and leave uncovered to release steam.

Pour-out the bacon grease, but do not wipe-out the pan. Sauté the onions and garlic in the oil-coated pan over medium heat until softened. Add the wine, water, chicken base, white pepper, and cream cheese. Stir to soften the cheese. Add the cheddar and mozzarella cheeses, Worcestershire sauce, and white pepper.  Simmer, stirring often, until nice and thick.

Stir the well-drained cauliflower and ham into the thickened cheese sauce to heat through. Top with bacon, and serve. Alternately, spoon the cauliflower mac and cheese into to a casserole dish for serving and top with the bacon.

Creamy keto cauliflower mac and cheese with ham topped with bacon and sliced scallions in a white oval serving dish with serving spoon.

How to Reheat Cauliflower Mac and Cheese

MICROWAVE: To reheat, place leftover keto mac and cheese in a microwave safe bowl, cover, and cook at full power, stirring halfway through. Cooking times will vary depending on the amount of leftovers and the power of your microwave.

OVEN: Alternately, cover leftover cauliflower mac and cheese with foil and place in a moderately hot oven (350 degrees F) and cook until hot. Make sure to stir at least once. Cooking times will vary depending on how much is being reheated and whether or not you have a smaller wall oven or a larger oven.

NOTES: The sauce is thickest when left to cool a little before serving. Refrigerate leftovers.

I tested this recipe a few times by baking in the oven. Each time it became a little watery as the cauliflower released moisture. For best results, follow the directions for making this particular cheesy cauliflower casserole on the stove top.

Tasty Low Carb Keto Cauliflower Recipes

Are You Crazy for Cauliflower? Here are more great keto cauliflower recipes.

  • Crispy Cauliflower Pizza Crust (Keto)
  • Creamy Cauliflower Hummus
  • Broccoli Cauliflower Rice Casserole
  • Amish Broccoli Cauliflower Salad
  • Roasted Cauliflower with Bacon and Caramelized Green Onions
  • Fluffy Cauliflower Mashed Potatoes (keto, low carb)
  • Cauliflower Hash Browns
  • Cauliflower Pilaf
Creamy keto cauliflower mac and cheese casserole with bacon and ham.

Creamy Keto Mac and Cheese with Ham

Tender cauliflower and cubed ham in a creamy cheese sauce topped with crispy bacon. This low carb and keto recipe is easy, cheesy and delicious!
4.5 from 4 votes
Print Pin Rate
Course: Dinner
Cuisine: American
Keyword: cauliflower mac and cheese
Prep Time: 10 minutes
Cook Time: 15 minutes
Total Time: 25 minutes
Servings: 4
Calories: 404kcal

Ingredients

  • 1 pound cauliflower
  • 10 oz ham, cubed
  • 3 slices reduced sodium bacon
  • 1/4 cup onion (1 oz)
  • 1 tsp garlic
  • 1 tsp Better Than Bouillon Chicken Base
  • 1/4 cup dry white wine
  • 1/4 cup water
  • 2 oz cream cheese
  • 1/2 cup mozzarella cheese (2 oz)
  • 1 cup cheddar cheese (4 oz)
  • 1 tsp Worcestershire sauce
  • 1/4 tsp white pepper

Instructions

Preparation:

  • Cut cauliflower into bite-sized florets and steam until tender. Then drain well and leave uncovered to release steam.  
  • While cauliflower steams... chop onions, mince garlic, cube ham, and chop bacon.

Method:

  • Heat a medium-large pan over medium heat and cook bacon until crispy, about 5-6 minutes. Remove bacon and pour out fat leaving enough to coat the pan.
  • Saute the onions and garlic until softened, about 2 minutes. Add wine, water, chicken base, and cream cheese, stirring occasionally to help melt the cheese. 
  • Next, add the cheddar, mozzarella, Worcestershire sauce, and white pepper. Gently simmer until cheese has melted and the sauce is nice and thick. 
  • Add the drained cauliflower and ham to the pan. Heat through and top with the bacon. Serve. Alternately, spoon into a serving dish and top with bacon.
  • NOTE: The sauce is thickest when left to cool a little before serving. Refrigerate leftovers. Serves 4 at 5.7g net carbs per serving.

Reheat:

  • To reheat, place leftover mac and cheese casserole in a microwave safe bowl, cover, and cook at full power, stirring halfway through. Cooking times will vary depending on the amount of leftover cauliflower casserole and the power of your microwave.
  • Alternately, cover leftover casserole with foil and place in a moderately hot oven (350 degrees F) and cook until hot. Make sure to stir at least once. Cooking times will vary depending on how cauliflower casserole is being reheated and whether or not you have a smaller wall oven or a larger oven.

Notes

Nutrition Facts
Creamy Keto Mac and Cheese with Ham
Amount Per Serving
Calories 404 Calories from Fat 252
% Daily Value*
Fat 28g43%
Cholesterol 98mg33%
Sodium 1230mg53%
Carbohydrates 8.7g3%
Fiber 3g13%
Sugar 3g3%
Protein 27g54%
* Percent Daily Values are based on a 2000 calorie diet.

Nutrition

Calories: 404kcal | Carbohydrates: 8.7g | Protein: 27g | Fat: 28g | Cholesterol: 98mg | Sodium: 1230mg | Fiber: 3g | Sugar: 3g

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About Kim Hardesty

Kim HardestyKim is a self taught cook with over 30 years experience in the kitchen. She develops and tests low carb and keto recipes in her California home. She began her low carb journey in 2009 and at the urging of friends, started blogging in 2014. Kim shares delicious low carb and keto recipes no one would believe are sugar-free. Her recipes are featured in newsstand publications and on sites all over the internet.

View all posts by Kim Hardesty | Website | Facebook | Instagram | Pinterest

Pin4.9K
Share705

Filed Under: Bacon, Casseroles, Cauliflower, Dinner, Pork, Side Dishes Tagged With: Family Friendly, Make Ahead, No Bake, Under 30 Minutes

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  1. AvatarRachel Lawrence

    December 15, 2020 at 2:00 pm

    What do you mean for chicken base? Chicken stock/ broth?

    Reply
    • Kim HardestyKim Hardesty

      December 15, 2020 at 2:18 pm

      Hi Rachel. I meant bouillon like Better Than Bouillon. I’ll change that in the recipe so it’s more clear. -Kim

      Reply
  2. AvatarCasey

    May 11, 2019 at 6:17 am

    I made this last night and it was amazing! Everything went to well together! The only thing I left out was the wine. Thank you so much for a great recipe!

    Reply
  3. AvatarChelsey

    March 18, 2019 at 5:44 pm

    Do you need to use wine?

    Reply
    • KimKim

      March 19, 2019 at 8:07 pm

      No, Chelsey, it just adds a dimension of flavor. -Kim

      Reply
  4. AvatarLori

    November 23, 2018 at 6:55 pm

    In the blog, is states heavy cream but in the ingredients it’s not listed. I made this for Thanksgiving and did not add heavy cream.

    Reply
    • KimKim

      January 6, 2019 at 12:30 pm

      Sorry about that, Lori. I did not add heavy cream when I finalized the recipe. The sauce kept separating when I added it so I left it out and was much happier with the result. I forgot to delete it from the post. I just did. -Kim

      Reply
  5. AvatarJill

    September 17, 2018 at 3:04 pm

    The instructions call for heavy cream and Worcestershire but those ingredients and their amounts are not listed in the recipe. Could you please tell me the amounts needed? Thanks

    Reply
    • KimKim

      September 17, 2018 at 3:15 pm

      I’m sorry about the confusion, Jill. I’m embarrassed to say that there is no heavy cream in this recipe – just the melted cheeses with the wine and water with chicken base. I have no idea where my brain was when I wrote this Friday night. If you want to use a little heavy cream you may, but you will need to simmer the sauce just a little bit longer to thicken. -Kim

      Reply
  6. AvatarSean

    September 16, 2018 at 10:22 pm

    Goodness, that is really low carb. I’m definitely going to try this. Last week, I started reduced carbs, and the lbs are melting away!

    Reply
  7. AvatarCheryl

    September 16, 2018 at 10:04 am

    I love that you added ham to this cauliflour mac and cheese. It was very tasty. Thank you.

    Reply

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