Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

Cheesy Brussels Sprouts Gratin – Golden, Cheesy & So Comforting


  • Author: Melissa
  • Total Time: 40 minutes
  • Yield: 6 servings 1x

Description

Golden, cheesy, and irresistibly creamy, this Brussels Sprouts Gratin combines tender sprouts with a luscious cheese sauce and crisp topping  the ultimate cozy side dish for fall and winter.


Ingredients

Scale

1 ½ lbs Brussels sprouts, trimmed and halved

1 tbsp olive oil

Salt and pepper, to taste

2 tbsp butter

2 tbsp all-purpose flour

1 ½ cups whole milk

1 tsp Dijon mustard

½ tsp garlic powder

½ tsp salt

¼ tsp black pepper

1 cup shredded cheddar cheese

½ cup shredded Gruyère

¼ cup grated Parmesan

½ cup panko breadcrumbs

1 tbsp melted butter

2 tbsp Parmesan

1 tbsp chopped parsley (optional)


Instructions

1. Preheat oven to 400°F (200°C).

2. Toss Brussels sprouts with olive oil, salt, and pepper. Roast for 15–18 minutes or until golden.

3. In a saucepan, melt butter, whisk in flour, and cook 1–2 minutes.

4. Slowly whisk in milk until smooth and thickened.

5. Stir in Dijon, garlic powder, salt, and pepper.

6. Remove from heat; add cheeses until melted.

7. Stir Brussels sprouts into cheese sauce and pour into baking dish.

8. Combine panko, butter, and Parmesan; sprinkle on top.

9. Bake 20–25 minutes until golden and bubbling.

10. Optional: Broil for 1–2 minutes for extra crispness. Garnish with parsley.

Notes

Roast the sprouts for best flavor  this deepens their sweetness. Use freshly grated cheese for the creamiest texture. Add crumbled bacon or mushrooms for an elevated twist.

  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Category: Side Dish

Keywords: brussels sprouts gratin, cheesy gratin, vegetable side dish, fall recipes, holiday sides, creamy casserole