Ham & Cheese Cauliflower Casserole | Low-Carb | Gluten-Free | Grain-Free

Ham & Cheese Cauliflower Casserole sitting on a white plate with a fork.

Try this Ham & Cheese Cauliflower Casserole for a delicious low-carb, Keto, gluten-free, grain-free meal that is sure to satisfy your comfort food cravings with all of it’s cheesy, melty, salty goodness.

A collage of photos consisting of a shot of the recipe ingredients and a portion of the finished casserole sitting on a white plate.

Ham & Cheese Cauliflower Casserole

Okay everyone, the holidays are over, so it’s time to pack up the sweets and eat a more balanced diet, right?? At least that’s what I’m trying to do and I know a lot of my readers are as well.

That’s why I’m excited to bring you this low-carb, Keto Ham and Cheese Casserole that uses only 5 simple ingredients and is hearty and filling enough to satisfy those comfort food cravings.

I love a nice warm, hearty casserole, especially in the wintertime, but they aren’t always the best option for my waistline, which is why I absolutely love trying new ways to use vegetables as the filler ingredient just like in this recipe.

Cauliflower is amazing for you being low in calories and high in fiber, vitamins and antioxidants, so why not give it a try in this amazingly delicious casserole.

I’m telling you, it will hit the spot and satisfy you. You won’t miss the carbs. Now, let’s get onto the recipe and if you want more low-carb recipes, then be sure to check out the list below.

Want more low-carb recipes? Here are a few of our favorites:

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Ham & Cheese Cauliflower Casserole

Tender cauliflower florets and salty chunks of ham covered in a delicious homemade cheese sauce, baked to perfection in the oven.
Prep Time30 minutes
Cook Time45 minutes
Total Time1 hour 15 minutes
Course: Main Course
Cuisine: American
Keyword: Ham & Cheese Cauliflower Casserole | Low-Carb | Keto
Servings: 8
Calories: 658kcal


  • 2 large heads cauliflower stems removed and separated into evenly-size florets may substitute 6 cups frozen florets
  • 1 cup ham cubed
  • 1 cup unsalted butter
  • 2 cups heavy cream may sub. half & half or whole milk
  • 3 cups shredded cheddar cheese divided
  • Sliced green onions for garnish


  • Preheat oven to 350 degrees.
  • Spray a 9x13 pan with nonstick cooking spray.
  • Fill a large stockpot with water to three-quarters full. Add 1 tsp salt.
  • Bring the water to a boil over high heat. Add the cauliflower florets and cook florets for about 10 minutes or until fork tender.
  • Drain the cauliflower well and place in the casserole dish.
  • Sprinkle the ham over the cauliflower.
  • Meanwhile, in a large skillet, melt the butter over medium-low heat.
  • When the butter is melted, add the heavy cream and bring to a boil, stirring often.
  • Allow to simmer for 10 minutes.
  • Stir in 2 ½ cup of the shredded cheese and stir until melted.
  • Allow the sauce to simmer, stirring often, for an additional 3 to 4 minutes or until the sauce coats the back of a spoon and begins clinging to the sides of the skillet.
  • Pour the sauce over the cauliflower and ham. Top with remaining cheese.
  • Bake for 45 minutes or until the cheese has melted and the cauliflower begins to brown.


Calories: 658kcal | Carbohydrates: 9g | Protein: 19g | Fat: 62g | Saturated Fat: 38g | Cholesterol: 198mg | Sodium: 739mg | Potassium: 573mg | Fiber: 3g | Sugar: 3g | Vitamin A: 2008IU | Vitamin C: 70mg | Calcium: 383mg | Iron: 1mg

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