Kalyn's Kitchen

Ham and Cauliflower Casserole au Gratin (Video)

Ham and Cauliflower Casserole Au Gratin is definitely a treat for low-carb comfort food and this is one of my personal favorite casseroles! 

PIN Ham and Cauliflower Casserole au Gratin to try it later!

Low-Carb Ham and Cauliflower Casserole au Gratin found on KalynsKitchen.com

I created this Ham and Cauliflower Casserole au Gratin on a January day a few years back when I wanted some low-carb comfort food. I had ham and cauliflower in the fridge, and thoughts of Low-Carb Twice Baked Cauliflower gave me the idea for this casserole with lots of cauliflower with ham, cream cheese, Greek yogurt, Parmesan, green onion, and cheese. I’d love this delicious low-carb dinner for a cold winter night!

Of course I had to include this one when I updated my collection of 20+ Delicious Low-Carb and Keto Casserole Recipes recipes. There’s not much I don’t love about low-carb casseroles, but one of the biggest reasons I love to make them is the way they guarantee leftovers. And most low-carb casseroles also freeze well, including this one. (Did you know there’s a recipe index page for things that Can Freeze? I love to pull dinner out of the freezer when I don’t want to cook!) This Low-Carb Ham and Cauliflower Casserole au Gratin has been wildly popular; hope you enjoy trying it if you haven’t made this one yet!

What ingredients do you need for this recipe?

  • raw cauliflower
  • salt (for water to cook cauliflower)
  • diced ham
  • cream cheese
  • Greek yogurt
  • finely-grated Parmesan cheese
  • green onions
  • fresh ground black pepper to taste
  • grated cheddar cheese

Low-Carb Ham and Cauliflower Casserole au Gratin process shots collage

How to Make Ham and Cauliflower Casserole au Gratin:

(Scroll down for complete printable recipe with nutritional information.)

  1. You need at least 6 cups of cauliflower, cut into small pieces.
  2. Cook the cauliflower in boiling salted water until it’s just getting soft; don’t overcook.
  3. Drain the cooked cauliflower well (at least 5 minutes).
  4. While the cauliflower cooks, cut up two cups of ham.
  5. Soften cream cheese in the microwave for a minute or so, then mix in the Greek yogurt (or sour cream), Parmesan, and sliced green onions.
  6. Mash the cauliflower slightly (in the pan you cooked it in) then stir in the sauce mixture so it’s completely mixed with the cauliflower and gently mix in the ham.
  7. Season to taste with fresh-ground black pepper.
  8. Spray the baking dish with nonstick spray or olive oil, put the casserole mixture in in the dish, and sprinkle with cheese.
  9. Bake 30-35 minutes or until the cheese is completely melted and starting to brown and the mixture is hot throughout and starting to slightly bubble.
  10. Let sit about 10 minutes for any liquid in the dish to be absorbed, then serve hot and enjoy! This will keep in the fridge for a few days and reheats well.

Low-Carb Ham and Cauliflower Casserole au Gratin thumbnail photo

Make it a Low-Carb Meal:

Low-Carb Ham and Cauliflower Casserole au Gratin would taste great with Peperoncini Chopped Salad, American Greek Salad, or Caesar Salad with Kale, Romaine, and Shaved Parmesan for a low-carb meal.

More Tasty Low-Carb Ideas with Cauliflower:

Roasted Cauliflower with Red Bell Pepper, Green Olives, and Pine Nuts ~ Kalyn’s Kitchen
Indian Spiced Cauliflower Rice ~ the Food Charlatan
Low-Carb Cheesy Cauliflower Soup with Bacon and Green Chiles (Instant Pot or Stovetop) ~ Kalyn’s Kitchen
Garlic and Paprika Roasted Cauliflower ~ Barefeet in the Kitchen
Fried Cauliflower with Bacon and Mushrooms ~ Kalyn’s Kitchen
Cauliflower Tortillas ~ Recipe Girl

Weekend Food Prep:

This recipe has been added to a new category called Weekend Food Prep  to help you find recipes you can prep or cook on the weekend and eat during the week!

Low-Carb Ham and Cauliflower Casserole au Gratin found on KalynsKitchen.com

Ham and Cauliflower Casserole au Gratin

Yield 6 servings
Prep Time 25 minutes
Cook Time 35 minutes
Total Time 1 hour

This Low-Carb Ham and Cauliflower Casserole Au Gratin is definitely a treat for low-carb and Keto comfort food.

Ingredients

  • 6 cups raw cauliflower flowerets, cut fairly small
  • 1/2 tsp. salt (for water to cook cauliflower)
  • 2 cups diced ham
  • 4 oz. cream cheese, softened
  • 3/4 cup Greek yogurt (see notes)
  • 2 T finely-grated Parmesan cheese
  • 1/4 cup thinly sliced green onions
  • fresh ground black pepper to taste
  • 3/4 cup grated cheddar cheese (see notes)

Instructions

  1. Preheat oven to 350F/180C.
  2. Fill a medium-sized pot half full with water, add 1/2 tsp. salt, and start to bring to a boil.
  3. Cut up the cauliflower into small flowerets, discarding the leaves and core.
  4. Put cauliflower pieces into the water and cook at a low boil until the cauliflower is starting to get barely sort. Check it often and don't overcook; the cauliflower will soften more in the oven.
  5. While cauliflower is cooking, cut the ham into very small cubes and slice green onions.
  6. Put cream cheese into a glass dish or measuring cup and soften it in the microwave for a few minutes. (Or you can soften it on top of the pre-heating oven if you don't have a microwave.) When cream cheese is soft stir in the Greek yogurt (or sour cream), Parmesan, and sliced green onions.
  7. When cauliflower is cooked enough to start to soften, pour into a colander placed in the sink and let it drain well (at least 5 minutes; don't rush this step)
  8. Put the drained cauliflower back into the pot you cooked it in and mash with a potato masher until it's barely mashed with quite a few chunks left.
  9. Stir in the sauce mixture and combine well with the cauliflower; then gently mix in the diced ham.
  10. Season to taste with fresh-ground black pepper. (I didn't use salt because the ham and the Parmesan are both salty.)
  11. Spray glass or crockery casserole dish with non-stick spray or olive oil. (I used a glass casserole dish that was about 8" x 10".) Pour cauliflower mixture into the dish, spread out evenly, and sprinkle with the cheese.
  12. Bake 30-35 minutes, or until the cheese is melted and lightly browned and all the mixture is hot throughout and starting to bubble. Let sit 10 minutes for any liquid to be absorbed, then serve hot.
  13. I am assuming that this freezes well, but I still haven't tried freezing it because I never have any leftovers.

Notes

You can also use sour cream if you're not a Greek yogurt fan; yogurt has just slightly less carbs. Definitely use more cheese if you'd like!

This recipe created by Kalyn with inspiration from Twice Baked Cauliflower.

Nutrition Information:

Yield:

6

Serving Size:

1

Amount Per Serving: Calories: 238Total Fat: 14gSaturated Fat: 7gUnsaturated Fat: 5gCholesterol: 65mgSodium: 855mgCarbohydrates: 7.7gFiber: 2gSugar: 4gProtein: 20g

Nutrition information is automatically calculated by the Recipe Plug-In I am using. I am not a nutritionist and cannot guarantee 100% accuracy, since many variables affect those calculations.

If you make this recipe I'd love to hear how it turns out. Leave a star rating or share on social media with the hashtag #KALYNSKITCHEN, thanks!

Low-Carb Diet / Low-Glycemic Diet / South Beach Diet Suggestions:
Ham and Cauliflower Casserole Au Gratin as shown would be suitable for low-carb, Keto, or low-glycemic diets. If you’re wanting it to be suitable for the South Beach Diet they would recommend lean ham, reduced-fat cream cheese, fat-free Greek yogurt, and low-fat cheese.

Find More Recipes Like This One:
Use Casserole Recipes to find more recipes like this one. Use the Diet Type Index to find more recipes suitable for a specific eating plan. You might also like to Follow Kalyn’s Kitchen on Pinterest to see all the good recipes I’m sharing there.

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    185 Comments on “Ham and Cauliflower Casserole au Gratin (Video)”

  1. I made this for the second time and my 5-year-old loved it, and he’s SUPER picky (if it isn’t in nugget form or a sandwich, he’ll pass…) My tweaks to the recipe include adding heavy cream to the cream cheese mix to make it pourable (it’s too thick to even attempt to pour, but I might not be softening the cream cheese enough?) and adding ranch seasoning mix, which makes it AMAZING. Absolutely love this recipe, can’t thank you enough!

  2. My husband and I thoroughly enjoyed it. He was very surprised that he liked it since it was cauliflower based. I used two-12oz bags of frozen cauliflower florets steamed well in the microwave (no salt) and mashed them fairly well. I also used 2 single serve containers of Chobani yogurt. This was absolutely delicious and we’ll definitely have it again when we have extra ham. Thank you so much for the tasty recipe!!

    • So glad you liked it, and good to know it worked well with frozen cauliflower too! Thanks for taking time to tell me.

  3. THIS WAS SOOOOOOOOOOOOOOOOOOO YUMMY! Thank you! will be saving in my dinner recipe collection! I just shared it with 3 others 🙂

  4. We made this today! We used diced pancetta because I didn’t have ham nor did I have the desire to cook ham! However- this was DELICIOUS! My husband told me to save this recipe which he only says if he really loves it. Thank for for a new staple in our kitchen!

  5. Tried it.. liked it.. I added a can of peas too!

  6. Absolutely delicious..  It’s been one of the best things I’ve made since being on the keto diet

  7. Looks yummy! I’m not a fan of the tang of cream cheese, could you sub it with something else? 

    • You probably can if you can think of a mild creamy cheese that’s also kind of thick like cream cheese is. I’m afraid I’m not thinking of anything though. Maybe just using a more regular grated cheese would work; love to hear what you come up with if you experiment!

    • How about a couple of triangles of Laughing Cow?

  8. Amazing!   

  9. how much is a serving?

    • I don’t measure out how much a serving is when I make the recipe, so other than telling you it’s 1/6 of the finished dish, I can’t really answer that.

  10. Can we use cauliflower rice?

    • I haven’t tried it that way. It will definitely change the texture, but I think it might still be good. You might want to look through the comments and see if anyone talks about doing that. And if you try it, I’d love to hear how it works!

    • I have used cauliflower rice and it is still delicious!

  11. This is a delicious and easy dish to make!  I’ve made it twice this week already.  I added some French’s Crispy Fried Onions on top which creates a nice savory crunch.

  12. Oh my goodness!! Was this ever good!! This is definitely going into my favorites file. My husband and I both thought this was a home run. I cooked the cauliflower in my instant pot and then put it into the oven to bake. I then broiled it for about 5-6 minutes.
     AH-MAZING. Thanks for the recipe!