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Kalyn's Kitchen

Low-Carb Ham and Cauliflower Casserole au Gratin (Video)

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

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Watch the video to see if you might like to make
Low-Carb Ham and Cauliflower Casserole au Gratin.


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

I created this Low-Carb 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!

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

How to Make Low-Carb 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 found on KalynsKitchen.com

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

Low-Carb 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 comfort food.


  • 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)


  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.


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:



Serving Size:


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.

I'd love to see your pictures if you make this recipe. Share on social media with the hashtag #kalynskitchen so I can see how it turned out for you!

Low-Carb Ham and Cauliflower Casserole au Gratin thumbnail photo

Low-Carb Diet / Low-Glycemic Diet / South Beach Diet Suggestions:
Low-Carb 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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    178 Comments on “Low-Carb Ham and Cauliflower Casserole au Gratin (Video)”

  1. This recipe is delicious! I tasted it cold and it reminded me of like a potato salad and baked was like eating scalloped potatoes and ham without all the guilt. Thanks so much for your great recipes!

  2. Hannah, love hearing how you've switched it up!

  3. I started making this recipe about six months ago and just LOVE it!!! I play around with it a lot too. My partner and I both love spicy food so I add sautéed jalapeños to the cream cheese mixture instead of the spring onions which is always tasty! We've tried adding broccoli to the mix too which gives it a rich color and another nice dimension.

  4. Heather, so glad you enjoyed it!

  5. I LOVED this recipe! I've been on South Beach for three weeks and still really miss potatoes, which are my favorite food. This recipe did a great job of making me feel like I was eating a yummy potato casserole. Thank you!

    Mine easily filled a 9X13 baking dish, by the way.

  6. Toni, so glad you like it!

  7. This is a really great recipe Kalyn!! My hubby and I make this at least once a month. Thanks!

  8. I found your recipe on Pinterest and tried it out today for lunch. I've started the first phase of the SBD and was tired of eating eggs and fish for the past few days. This was delicious. Thank you for sharing. I marked your blog and will be coming back for more ideas.

  9. Cristin, I know what you mean about those "not quite right" cauliflower recipes. Glad you liked this one!

  10. Just made this for my family and WOW! I was very skeptical because my previous attempts at using cauliflower as a "faker" have been major flops. When I put it in the oven I was sure I would be eating sugar free jello for dinner, but when I opened the oven to check on it 30 minutes later a delicious smell wafted out! The taste did NOT disappoint! I'll be adding this to our regular menu! Thanks so much for the wonderful recipe!

  11. Misty, thanks; so glad you liked it. (When you're on phase two but you're partly doing phase one, my brother and I call that Phase 1.5!)

  12. Oh and I'm a Salt Lake girl living far from home in Cleveland, Ohio!

    Can't wait to try more recipes!

  13. This was amazing! New fan over here. It was just the comfort we needed. My husband and I are doing South Beach…we are newly into Phase 2, but (mostly me) we are struggling and I try to do 2 Phase 1 meals a day. And my 9 year old gobbled it up! YUM!

  14. It's hard for me to know what you would like in this, but maybe some type of sausage?

  15. What could I use instead of ham? Don't care for ham at all. Recipe sounds so good though.

  16. Alisha, thanks for the ideas. Love the sound of this with some broccoli mixed in.

  17. A great recipe that adapts well to different veggies and meats. I threw in a handful of leftover broccoli and it was excellent. It adds a bit more bulk and holds up well during baking. Will use half broccoli and half cauliflower next time. When the cauliflower was nearly cooked, I threw the broccoli florets into the boiling water to blanch them slightly and then drained it all together. I also used turkey sausage instead of ham and it turned out great!

  18. Thanks Stuart. Not sure I am a legend, but I'm really glad you're enjoying the rcipes!

  19. Just cooked this for SB phase 1. It was delicious (as is the pesto chicken too!)

    Thanks! You're a legend!

  20. Cheri, so glad you enjoyed it!