Cheesy Brussel Sprout Casserole Recipe
This Cheesy Brussels Sprout Casserole combines roasted Brussels sprouts with a creamy, garlicky cheese sauce made from heavy cream, parmesan, and mozzarella. Baked until bubbly and golden, it’s a perfect comforting side dish that highlights the natural sweetness and nutty flavor of Brussels sprouts, balanced with Italian seasoning and garlic for a deliciously savory twist.
- Author: Natalie
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Total Time: 55 minutes
- Yield: 6 servings 1x
- Category: Side Dish
- Method: Baking
- Cuisine: American
- Diet: Gluten Free
Vegetables
- 3 cups Brussels sprouts (bottoms removed and halved)
Seasonings & Oils
- 1 tablespoon oil
- 1 teaspoon salt (divided)
- 1 teaspoon freshly cracked black pepper (divided)
- 1 tablespoon Italian seasoning
- 4 cloves garlic (minced)
Dairy & Cheese
- 1 cup heavy cream
- 1 cup shredded parmesan cheese (or asiago, divided)
- 1 1/2 cups shredded mozzarella cheese (divided)
- Preheat and prepare dish: Preheat oven to 400°F (200°C). Butter a 12-inch round cast iron skillet or a small casserole dish (such as 9×9 inch) and set aside.
- Roast Brussels sprouts: Toss Brussels sprouts with oil, then arrange them evenly on a baking sheet lined with parchment paper. Sprinkle with 1/2 teaspoon salt and 1/2 teaspoon freshly cracked black pepper. Roast in the oven for 12 minutes. Remove and let cool for 5 minutes.
- Mix cheese sauce: In a large mixing bowl, combine heavy cream, minced garlic, Italian seasoning, 3/4 cup of shredded parmesan cheese, 1 cup mozzarella cheese, and the remaining 1/2 teaspoon salt and 1/2 teaspoon pepper.
- Combine and assemble casserole: Gently fold the roasted Brussels sprouts into the cheese mixture until well coated. Pour the mixture into the prepared skillet or casserole dish. Evenly sprinkle the remaining 1/4 cup parmesan and 1/2 cup mozzarella cheese over the top.
- Bake and serve: Bake the casserole in the preheated oven for 25 to 30 minutes until bubbly and the edges are nicely browned. Remove from oven, let rest for 5 minutes, then serve immediately.
Notes
- Make sure to halve the Brussels sprouts evenly to ensure they roast uniformly.
- Using a cast iron skillet adds a nice rustic presentation and helps in even baking, but a casserole dish will work just as well.
- For a slight twist, try substituting asiago cheese for parmesan for a different flavor profile.
- The casserole can be prepared ahead of time and baked just before serving.
- Leftovers store well in the refrigerator for up to 3 days and can be reheated in the oven to maintain crispness.
Keywords: Brussels sprouts, casserole, cheesy, roasted vegetables, side dish, comfort food, baked, easy recipe