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We're obsessed with this low carb keto cauliflower mac and cheese!

Cauliflower Mac and Cheese

This cauliflower mac and cheese is made with a low carb cheese sauce and topped with a simple garlic bread topping to add a little crunch. This one is a hit with kids and grown ups alike!
Course Main Course
Cuisine American
Keyword comfort food, kid-friendly recipes, weeknight dinner recipes
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 6 servings
Calories 312kcal


For the mac and cheese

  • 1 large head cauliflower
  • 1 tablespoon olive oil
  • 1/2 teaspoon ground pepper
  • 1/2 teaspoon salt
  • 1/2 cup heavy whipping cream
  • 6 ounces Roth Havarti grated
  • 3 ounces Roth Grand Cru grated
  • 1/2 teaspoon ground mustard

For the garlic bread topping

  • 1/4 cup almond meal
  • 1 tablespoon melted butter
  • 2 teaspoons minced parsley
  • 1/2 teaspoon garlic powder
  • 1/4 teaspoon garlic salt


  • Preheat oven to 400 degrees.
  • Dice the cauliflower into bite-sized chunks. 
  • Toss the cauliflower with olive oil, salt, and pepper, and place in a 2 quart baking dish. 
  • Bake for 20 minutes, stirring halfway through. 
  • While cauliflower is baking, prepare the cheese sauce.
  • Heat the cream in a small sauce pan over medium heat and whisk in the cheeses and ground mustard. Continue whisking over medium heat until cheese has melted and sauce is smooth and creamy.
  • Remove the cauliflower from the oven and pour the cheese sauce over the top. Stir to coat all of the cauliflower in the cheese sauce.
  • Stir together the almond meal, melted butter, parsley, garlic powder, and garlic salt. Sprinkle over the cauliflower mixture.
  • Turn the oven to broil and return the cauliflower to the oven. Broil for 1-2 minutes or until the almond meal is browned. 
  • Let set for 5 minutes before serving.


Calories: 312kcal | Carbohydrates: 7g | Protein: 13g | Fat: 26g | Saturated Fat: 14g | Cholesterol: 72mg | Sodium: 645mg | Potassium: 334mg | Fiber: 2g | Sugar: 2g | Vitamin A: 715IU | Vitamin C: 46.4mg | Calcium: 318mg | Iron: 0.7mg