Easy Cauliflower Mac and Cheese (5-Ingredient, Low-Carb!)

By Eva May 2024


Gluten-Free | Vegetarian | Keto-Friendly

This Cauliflower Cheese Bake delivers all the creamy, cheesy satisfaction of classic mac and cheese—without the carbs! Roasted cauliflower florets smothered in a velvety three-cheese sauce bake up golden and bubbly for the ultimate comfort food side dish or meatless main.


Why You’ll Love This Recipe

  • Guilt-free indulgence: 9g net carbs per serving vs. 40g in traditional mac and cheese.
  • Meal-prep hero: Tastes even better reheated.
  • Kid-approved: Picky eaters won’t miss the pasta!

Ingredient Spotlight

cauliflower-mac-cheese-roasting

The Cauliflower Base

  • 1 large head cauliflower (cut into bite-sized florets)
  • 1 tbsp olive oil (for caramelization)

The Cheese Sauce

  • 1 tbsp cornstarch (or arrowroot for grain-free)
  • 1 tbsp butter (or ghee for richer flavor)
  • 1.5 cups whole milk (or unsweetened almond milk)
  • 1 cup sharp cheddar (for tang)
  • 1 cup Gruyère (for nutty depth)
  • 1 tsp Dijon mustard (secret flavor booster)

Flavor Enhancers

¼ tsp nutmeg (balances richness)

½ tsp smoked paprika (adds warmth)


Step-by-Step Instructions

1. Roast the Cauliflower

  1. Toss florets with oil, salt, and pepper.
  2. Roast at 425°F for 20 mins until edges caramelize.

2. Make the Cheese Sauce

  1. Melt butter in a saucepan over medium heat.
  2. Whisk in cornstarch, then gradually add milk.
  3. Simmer 3-4 mins until thickened.
  4. Remove from heat, stir in cheeses and seasonings.

3. Assemble & Bake

Broil 2 mins for a golden top.

Combine sauce and cauliflower in a greased baking dish.

Bake at 375°F for 20 mins until bubbly.


Pro Tips

🔹 For extra crunch: Top with pork rind crumbs or almond flour “breadcrumbs” before baking.
🔹 Dairy-free? Use nutritional yeast and vegan cheese.
🔹 Shortcut: Use pre-riced cauliflower (reduce roasting time by 5 mins).


Serving Suggestions

ClassicKetoProtein-Packed
Garlic roasted chickenPan-seared salmonGrilled steak slices
Crispy bacon bitsAvocado saladBlackened shrimp

FAQs

Can I use frozen cauliflower?

Yes! Thaw and pat dry to prevent sogginess.

How do I store leftovers?

Refrigerate for 3-4 days or freeze for 2 months.

Why is my sauce grainy?

Always shred your own cheese—pre-shredded contains anti-caking agents.

Nutrition (Per Serving)

Calories: 320 | Fat: 22g | Protein: 18g | Net Carbs: 9g


Love cozy, comfort-food classics? Don’t miss our reader-favorite Mississippi Pot Roast – just 5 ingredients and your slow cooker does all the work!

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