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Butternut Squash Brussels Sprout Gratin with a Spoon Inside the Gratin
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5 from 1 vote

Butternut Squash and Brussels Sprout Gratin

Butternut Squash Brussels Sprout Gratin is an easy and delicious Thanksgiving or fall side dish!  It's filled with leeks, butternut squash, brussels sprouts, and lots of cheese.  It will turn any brussels sprout hater into a fan!
Prep Time20 minutes
Cook Time1 hour 15 minutes
Total Time1 hour 35 minutes
Course: Side Dish
Cuisine: American
Servings: 8 side dish servings
Calories: 237kcal

Ingredients

  • 2 tablespoon olive oil
  • 1 medium butternut squash ~4 cups, peeled, deseeded and diced
  • 1 leek white and light green part sliced
  • 1 tablespoon sage
  • 3 cups brussels sprouts halved
  • 1 ½ cups shredded Gruyere cheese
  • 1 cup heavy cream or half and half
  • salt and pepper

Instructions

  • Preheat oven to 400 degrees F.
  • Toss butternut squash in 1 tablespoon olive oil, season with salt and pepper, and place on baking sheet.
  • Roast in preheated oven for 20 minutes, until butternut squash is just beginning to soften.
  • Meanwhile, heat olive oil over medium heat.
  • Add leaks and sage and cook about 10 minutes, or until they are softened.
  • Add brussels sprouts and cook another 5 minutes, until they are slightly cooked. Season with salt and pepper.
  • Once squash is done, reduce oven temperature to 375 degrees F.
  • In 9x13" baking dish, add half of the leek and brussels sprout mixture.
  • Top with half of the butternut squash mixture.
  • Top butternut squash with half of the cheese.
  • Repeat with remaining ingredients.
  • Pour cream over entire casserole.
  • At this point you can either cover with foil and refrigerate to bake later, or bake now.
  • Bake in preheated oven for 35-40 minutes (40-45 minutes if gratin was chilled), until gratin is bubbling and cheese is melted through.
  • Enjoy!

Nutrition

Calories: 237kcal | Carbohydrates: 17g | Protein: 11g | Fat: 15g | Saturated Fat: 7g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Cholesterol: 38mg | Sodium: 210mg | Potassium: 542mg | Fiber: 3g | Sugar: 5g | Vitamin A: 10742IU | Vitamin C: 49mg | Calcium: 353mg | Iron: 2mg