Sage Cauliflower Au Gratin

This cheesy cauliflower side dish is loaded with fresh sage and warm flavors. Serve it for a small holiday gathering with loved ones.

Serves: 4Prep: 15 minutesCook: 40 minutesTotal: 55 minutesDifficulty: Easy

Serves: 4


  • 1 head cauliflower (about 5 cups), cut into florets
  • 4 tablespoons olive oil, divided
  • 1 teaspoon salt, divided
  • 1⁄2 teaspoon pepper, divided
  • 2 tablespoons butter
  • 2 tablespoons almond flour
  • 1 cup milk, warmed
  • 1⁄8 teaspoon nutmeg
  • 1 teaspoon xanthan gum, if needed
  • 1⁄4 cup gruyere cheese, shredded and divided
  • 3 tablespoons Parmesan cheese, shredded
  • 1 teaspoon dried sage
  • 6 fresh sage leaves


  • Preheat oven to 400°F. Prepare a baking sheet with parchment paper and add cauliflower. Drizzle with 1 tablespoon olive oil, ½ teaspoon salt and ¼ teaspoon pepper. Toss to combine and bake 20-25 minutes, until tender.
  • In a small saucepan over medium heat, melt the butter. Add almond flour and stir for 1 minute. Slowly whisk in milk, until completely incorporated and smooth. Add nutmeg, ½ teaspoon salt and ¼ teaspoon pepper. Stir until thickened, if needed, stir in xanthan gum to thicken. Whisk in 3 tablespoons gruyere cheese and Parmesan cheese. Stir in dried sage.
  • Prepare an 8”x8” baking dish with nonstick cooking spray. Add the roasted cauliflower and top with sauce. Gently stir to combine. Sprinkle with remaining 1 tablespoon gruyere cheese. Bake 15-20 minutes.
  • Meanwhile, heat 3 tablespoons oil in a small skillet over medium-high heat. Once hot, add sage leaves and cook until crisp, about 20 seconds. Transfer to a paper towel and set aside.
  • Top with fried sage and serve. Refrigerate leftovers.