Cheesy Cauliflower Mac Comfort

Featured in: Family Comfort Classics

This comforting dish features roasted cauliflower florets enveloped in a creamy, cheesy sauce made from sharp cheddar, mozzarella, and Parmesan. Lightly seasoned with garlic and onion powder, it's baked to bubbly perfection and topped with extra cheese and fresh parsley. This low-carb option delivers rich flavors and satisfying texture, perfect for a warm, wholesome meal with minimal preparation time.

Updated on Mon, 22 Dec 2025 15:12:00 GMT
A bubbly casserole of Cheesy Cauliflower Mac with a golden cheesy topping, ready to serve. Save to Pinterest
A bubbly casserole of Cheesy Cauliflower Mac with a golden cheesy topping, ready to serve. | recipesforevers.com

My sister brought this to a potluck last spring and swore it was regular mac and cheese. I ate two helpings before she told me it was cauliflower. I wasn't even mad. The cheese sauce clung to every floret like it had something to prove, and the golden crust on top crackled under my fork. I made it the next week and haven't looked back.

I made this for my kids on a Tuesday night when I was too tired to argue about vegetables. They devoured it without a single complaint, scraping their plates clean. My youngest asked if we could have it again the next night. That's when I knew I'd found something special.

Ingredients

  • Cauliflower: The star here, cut into bite-sized pieces so every floret gets coated evenly. Make sure they're dry after boiling or the sauce will slide right off.
  • Butter: The base of your roux, it adds richness and helps the sauce cling. Don't skip it or use margarine, the flavor won't be the same.
  • Almond flour: This thickens the sauce without any graininess. Coconut flour works too, but use half the amount because it absorbs more liquid.
  • Whole milk: Creates a creamy sauce that coats the cauliflower perfectly. Almond milk works if you want to cut carbs further, just expect a thinner texture.
  • Sharp cheddar cheese: The backbone of the sauce, it brings that classic mac and cheese tang. Freshly shredded melts smoother than pre-shredded.
  • Mozzarella cheese: Adds stretch and a mild creaminess that balances the sharpness of the cheddar.
  • Parmesan cheese: Brings a nutty, salty depth that makes the sauce taste more complex. Grate it yourself for the best melt.
  • Garlic powder: A subtle background note that deepens the flavor without overwhelming the cheese.
  • Onion powder: Adds a sweet, savory layer that makes the sauce feel more rounded.
  • Ground mustard: Optional but recommended, it brightens the cheese and cuts through the richness just enough.

Instructions

Prep the oven and dish:
Preheat your oven to 400°F and grease a 9x13-inch baking dish lightly with butter or oil. This keeps the edges from sticking and makes cleanup easier.
Blanch the cauliflower:
Boil the florets in salted water for just 4 to 5 minutes until they're tender but still have a little bite. Drain them well and pat dry with paper towels so the sauce sticks instead of pools.
Arrange in the dish:
Spread the cauliflower evenly in your prepared baking dish. Try to keep the florets in a single layer so every piece gets sauced.
Make the roux:
Melt the butter in a medium saucepan over medium heat, then whisk in the almond flour and cook for about a minute. This cooks out the raw flour taste and gives the sauce a nutty base.
Build the sauce:
Slowly whisk in the milk, stirring constantly until the mixture thickens slightly, about 2 to 3 minutes. Lower the heat and stir in all three cheeses until melted and smooth, then add your garlic powder, onion powder, mustard, salt, and pepper.
Coat the cauliflower:
Pour the cheese sauce over the cauliflower and gently stir to coat every floret. Don't overmix or you'll break them apart.
Top and bake:
Sprinkle the extra Parmesan and cheddar on top for a golden crust. Bake for 15 to 20 minutes until the sauce is bubbly and the top is lightly browned.
Finish and serve:
Let it cool for a few minutes, then garnish with fresh parsley if you like. Serve it hot and watch it disappear.
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The first time I served this at a dinner party, my friend who swore off carbs for good nearly cried with relief. She said it felt like cheating but wasn't, and she took the leftovers home in a container she promised to return but never did. I didn't mind. That's how good it was.

Flavor Variations

Sometimes I swap in Gruyère for half the cheddar when I want something a little fancier, it adds a sweet nuttiness that feels special. A pinch of smoked paprika in the sauce or on top gives it a campfire edge that's perfect in cooler months. Monterey Jack makes it milder and creamier if you're feeding picky eaters or just want something gentler on the palate.

Serving Suggestions

This pairs beautifully with grilled chicken thighs or a simple pan-seared steak, the richness of the cheese balances out lean proteins perfectly. I've also served it alongside a crisp arugula salad with lemon vinaigrette to cut through the creaminess. On nights when I just want comfort, I eat it straight from the dish with a spoon and no shame.

Storage and Reheating

Leftovers keep in an airtight container in the fridge for up to four days, and they reheat like a dream in the oven at 350°F until warmed through. The microwave works in a pinch, but the oven brings back that crispy top layer you'll miss otherwise. I've never had leftovers last longer than two days because someone always sneaks a bowl late at night.

  • Cover with foil when reheating to prevent the top from burning before the center warms.
  • Add a splash of milk if the sauce seems too thick after refrigeration.
  • For a crispier finish, remove the foil for the last 5 minutes of reheating.
Creamy Cheesy Cauliflower Mac with melted cheese covering tender cauliflower florets, a low-carb treat. Save to Pinterest
Creamy Cheesy Cauliflower Mac with melted cheese covering tender cauliflower florets, a low-carb treat. | recipesforevers.com

This dish taught me that comfort food doesn't have to weigh you down to feel like a hug. Every time I make it, someone asks for the recipe, and I'm always happy to share.

Recipe FAQs

How do I prepare the cauliflower before baking?

Boil the cauliflower florets in salted water for 4–5 minutes until just tender, then drain and pat dry to ensure the cheese sauce sticks well.

Can I substitute the almond flour in the sauce?

Yes, coconut flour works as a nut-free alternative while maintaining the sauce’s thickness and creaminess.

What cheeses are used in the sauce?

A blend of sharp cheddar, mozzarella, and Parmesan cheeses creates a rich, creamy texture and depth of flavor.

How can I make the topping crispier?

For a golden, crispy topping, broil the dish for 2–3 minutes at the end of baking.

Are there seasoning options to enhance flavor?

Adding a pinch of smoked paprika or substituting Gruyère or Monterey Jack cheeses can add extra flavor variations.

Is this dish suitable for gluten-free diets?

Yes, using almond or coconut flour ensures the dish remains gluten-free.

Cheesy Cauliflower Mac Comfort

Creamy cauliflower baked in a rich blend of sharp cheddar, mozzarella, and Parmesan cheese.

Prep Duration
15 minutes
Time to Cook
30 minutes
Complete Duration
45 minutes


Complexity Easy

Cuisine American

Makes 4 Portions

Dietary Info Meatless, Without Gluten, Reduced Carb

What You Need

Vegetables

01 1 large head cauliflower, cut into bite-sized florets (approximately 1.5 lbs)

Sauce

01 2 tablespoons unsalted butter
02 2 tablespoons almond flour (substitute coconut flour for nut-free option)
03 1 cup whole milk (or unsweetened almond milk for lower carb)
04 1 cup shredded sharp cheddar cheese (about 4 ounces)
05 1/2 cup shredded mozzarella cheese (about 2 ounces)
06 1/4 cup grated Parmesan cheese (about 1 ounce)
07 1/2 teaspoon garlic powder
08 1/2 teaspoon onion powder
09 1/4 teaspoon ground mustard (optional)
10 Salt and pepper to taste

Topping

01 1/4 cup grated Parmesan cheese (about 1 ounce)
02 1/4 cup shredded cheddar cheese (about 1 ounce)
03 1 tablespoon chopped fresh parsley (optional)

Directions

Step 01

Preheat Oven and Prepare Dish: Preheat the oven to 400°F. Lightly grease a 9x13-inch baking dish.

Step 02

Cook Cauliflower: Bring a large pot of salted water to a boil. Add cauliflower florets and cook for 4 to 5 minutes until just tender. Drain thoroughly and pat dry with paper towels.

Step 03

Arrange Cauliflower: Place the drained cauliflower evenly into the prepared baking dish.

Step 04

Prepare Cheese Sauce: In a medium saucepan over medium heat, melt the butter. Whisk in almond flour and cook for 1 minute. Gradually whisk in milk until the mixture is smooth and slightly thickened, about 2 to 3 minutes.

Step 05

Incorporate Cheeses and Seasoning: Reduce heat to low. Stir in cheddar, mozzarella, and Parmesan cheeses until melted and smooth. Add garlic powder, onion powder, ground mustard if using, salt, and pepper.

Step 06

Combine Sauce and Cauliflower: Pour the cheese sauce evenly over the cauliflower. Stir gently to coat all pieces.

Step 07

Add Topping: Sprinkle the additional Parmesan and cheddar cheese evenly over the top.

Step 08

Bake: Bake uncovered for 15 to 20 minutes, until the sauce is bubbly and the topping is golden.

Step 09

Garnish and Serve: Optionally garnish with chopped fresh parsley before serving. Serve hot.

Essential Tools

  • Large pot
  • Colander
  • Paper towels
  • Medium saucepan
  • Whisk
  • 9x13-inch baking dish
  • Oven

Allergy Details

Be sure to check every item for allergens. If uncertain, talk with a healthcare provider.
  • Contains dairy and tree nuts (almond flour). Substitute coconut flour for nut-free version. Check labels for milk allergens.

Nutrition per serving

Nutrition details are for your reference only. Always speak with a professional for medical concerns.
  • Caloric Content: 285
  • Total Fat: 20 grams
  • Carbohydrates: 10 grams
  • Proteins: 15 grams