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Keto Roasted Cauliflower

Get ready for dinner bliss because veggie sides don't get much better than this Keto Roasted Cauliflower! Just 3 net carbs per serving!
Prep Time7 mins
Cook Time25 mins
Total Time32 mins
Course: Side Dish
Cuisine: American
Keyword: cheesy, roasted veggies
Servings: 6
Calories: 161kcal
Author: Wendy Polisi


  • 1 head cauliflower
  • cup mayonnaise
  • 1 tablespoon Dijon Mustard
  • Salt and Pepper
  • 2 tablespoons butter melted
  • ¼ cup fresh grated Parmesan
  • 1 tablespoon lemon juice
  • Salt and Pepper to taste


  • Preheat oven to 420 degrees.
  • Cut cauliflower into florets and place in a large bowl.
  • In a small bowl, whisk together the mayonnaise and Dijon Mustard. Season with salt and pepper.
  • Pour the mayonnaise over the cauliflower and toss to combine.
  • Spread in a single layer on a roasting pan or on an oven safe cooling rack sitting on a cookie sheet.
  • Cook for 25 to 30 minutes, stirring every 10 minutes, until tender.
  • Transfer to a bowl. Top with melted butter, Parmesan, lemon juice, salt, and pepper. Stir and serve warm.


Calories: 161kcal | Carbohydrates: 5g | Protein: 4g | Fat: 15g | Saturated Fat: 5g | Cholesterol: 18mg | Sodium: 236mg | Potassium: 287mg | Fiber: 2g | Sugar: 2g | Vitamin A: 150IU | Vitamin C: 47.2mg | Calcium: 70mg | Iron: 0.5mg