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white baking dish of brussels sprouts gratin with spoon & striped blue napkin

Brussels Sprouts Gratin recipe

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This cheesy Brussels sprouts gratin bakes sautéed sprouts in a Gruyère cream sauce under a crunchy panko and Parmesan crust.

  • Total Time: 1 hour
  • Yield: 6-8 servings 1x

Ingredients

Units Scale
  • 1 pound fresh Brussels sprouts
  • 2 tablespoons olive oil
  • 1 clove garlic
  • 8 tablespoons butter, divided
  • 1/4 cup flour
  • 1 cup heavy cream
  • 1 cup Gruyère cheese, grated
  • 1 teaspoon crushed red pepper flakes
  • 1 cup panko bread crumbs
  • 1/2 cup Parmesan cheese, grated
  • Salt
  • Pepper

Instructions

  1. Slice the Brussels sprouts into ¼" slices.
  2. In a large sauté pan, add the olive oil, the garlic clove left whole, and the sliced Brussels sprouts.
  3. Sauté for 10 minutes over medium-high heat until the sprouts are browned and slightly tender.
  4. Add 4 tablespoons of the butter and allow it to melt.
  5. Add the flour and mix until dissolved.
  6. Add the heavy cream and mix.
  7. Add the Gruyère cheese and stir over medium heat until the cheese melts and the cream thickens, about 5 to 7 minutes. Stir in the red pepper flakes.
  8. Transfer to an oven-safe baking dish.
  9. Preheat the oven to 375°F.
  10. In a small bowl, microwave the remaining butter until melted.
  11. In a separate medium mixing bowl, combine the bread crumbs and Parmesan cheese.
  12. Mix in the melted butter and stir until everything is coated.
  13. Sprinkle the mixture over the sprouts.
  14. Bake for 20 minutes or until the bread crumb topping is golden brown.
  15. Remove from the oven and let sit for 5 minutes.
  16. Season with salt and pepper to taste.

Notes

  • Shred your own Gruyère: buy a block and shred it yourself. It melts smoother and tastes richer than the bagged kind.
  • Brussels sprouts: fresh sprouts straight off the stalk or a bag from the market both work.
  • Butter and flour: salted or unsalted butter works. We like all-purpose flour, but any flour works.
  • Storage: keep leftovers in an airtight container in the fridge for up to 5 days. Reheat a single serving in the microwave, or a larger portion in a 350°F oven until warmed through.
  • Author: Superman Cooks
  • Prep Time: 20 mins
  • Cook Time: 40 mins
  • Category: side dishes

Nutrition

  • Serving Size: 1 Cup
  • Calories: 360
  • Sugar: 2.7 g
  • Sodium: 591 mg
  • Fat: 27.8 g
  • Carbohydrates: 18.8 g
  • Protein: 11.1 g
  • Cholesterol: 68.3 mg

Find it online: https://supermancooks.com/brussel-sprout-gratin/