Looking for a tasty way to enjoy Brussels sprouts? Try our Keto Brussels Sprouts Casserole! It combines these nutritious veggies with delicious cheese for an easy-to-make, low-carb dish. So tasty, it's sure to win over even those usually hesitant about Brussels sprouts. Give this recipe a go - it could become a new favorite!

Jump to:
- Preparation and cooking overview
- Chef's note
- 🥘 Ingredients for this Brussels sprouts casserole recipe
- Ingredient substitutions
- Additional ingredients
- Cooking tools required
- How to make Brussels Sprouts Casserole: step-by-step guide
- Cooking methods
- Preparation steps
- Cooking instructions
- What to serve with Brussels sprouts casserole?
- How to make it healthier?
- Time-saving tips
- What can I prepare ahead of time?
- Storage and reheating instructions
- Recipe wrap-up and conclusion
- Frequently asked questions
- 📖 Recipe
Preparation and cooking overview
Got 40 minutes? That's all you need for this tasty side dish. First, give the Brussels sprouts a good roast. Next, cover them with a mix of Parmesan and mozzarella cheese. Bake them one more time, and you've got a cozy and delicious treat ready to go!
Chef's note
Want to switch things up? Go ahead! Use fresh Brussels sprouts instead of frozen - just trim, cut in half, and blanch for about 5 minutes. Play around with the seasonings, pick a different cheese, or add your own twist. Want some kick? Add a pinch of red pepper flakes. For a fresh vibe, toss in a little lemon zest.
If you're a fan of this casserole dish, you're in for a treat! We have a selection of tasty casserole recipes just waiting for you to try them out.
🥘 Ingredients for this Brussels sprouts casserole recipe
To prepare this cheesy Brussels sprouts casserole, you'll need the following ingredients:

Ingredient substitutions
Not a fan of some items on the ingredient list? No worries, we've got alternatives for you:
Additional ingredients
Elevate the flavor profile of your roasted Brussels sprouts casserole with these additional ingredients:

Cooking tools required
To make this easy Brussels sprouts casserole recipe, you'll need the following tools:
How to make Brussels Sprouts Casserole: step-by-step guide
Cooking methods
Preparation steps
- Gather and measure all the ingredients.
- Grate Parmesan cheese in a mixing bowl and set aside.
- Remove the tough ends from the Brussels sprouts and slice them in half down the middle.
Cooking instructions
- Preheat your oven to 400°F (200°C).
- Spread the Brussels sprouts in a single layer on a baking dish and toss them with olive oil, sea salt, and black pepper.
- Place the dish in the preheated oven and roast for 15-20 minutes until they're half tender and slightly charred.
- Meanwhile, mix the shredded mozzarella cheese, grated Parmesan cheese, garlic powder, onion powder, and paprika in a small bowl.
- Once the Brussels sprouts are roasted, remove them from the oven.
- Sprinkle the cheese mixture evenly over the Brussels sprouts.
- Return the baking dish to the oven and bake for an additional 5-7 minutes, or until the cheese is melted and bubbly and the Brussels sprouts are nicely browned.
Chef's pro tip
Slice the Brussels sprouts down the middle for uniform cooking and a great char. Be careful not to roast them too long at first. Give one a taste after 15 minutes. If it's somewhat soft, pull them out right away. If not, give them a few more minutes to cook.
What to serve with Brussels sprouts casserole?
The cheesy Brussels sprouts casserole is the perfect side dish recipe that pairs well with a number of meals. Here are some ideas:

How to make it healthier?
Time-saving tips

What can I prepare ahead of time?
Storage and reheating instructions
Storage instructions
Best reheating practices
Recipe wrap-up and conclusion
Using just some cheese and a few spices, our Keto Brussels Sprouts Casserole transforms the humble Brussels sprouts into an excellent side dish. It's a hit, whether it's an everyday dinner, a family reunion, or a special holiday meal. When you serve this, expect everyone to want the recipe.
Why wait? Dive into the delightful mix of melted cheese and crunchy Brussels sprouts. And if you're a Brussels sprouts fan, don't miss our Brussels Sprouts salad and Kung Pao Brussels Sprouts recipes.
Do you know that we have more keto-friendly casserole recipes? Here are some of our favorites:

Frequently asked questions
📖 Recipe

Cheesy Brussels Sprouts Casserole Recipe
Ingredients
- 1 pound frozen Brussels sprouts halved
- 2 tablespoons olive oil
- Sea salt and freshly cracked black pepper to taste
- ½ cup shredded mozzarella cheese
- ¼ cup grated Parmesan cheese
- ¼ teaspoon garlic powder
- ¼ teaspoon onion powder
- ¼ teaspoon paprika
Instructions
- Preheat your oven to 400°F (200°C).
- Trim off hard ends from the Brussels sprouts and cut them in half lengthwise.
- Spread the Brussels sprouts in a single layer on a baking dish and toss them with olive oil, sea salt, and black pepper.
- Place the dish in the preheated oven and roast for 15-20 minutes until they are half tender and slightly charred.
- Meanwhile, mix the shredded mozzarella cheese, grated Parmesan cheese, garlic powder, onion powder, and paprika in a small bowl.
- Once the Brussels sprouts are done roasting, remove them from the oven.
- Sprinkle the cheese mixture evenly over the Brussels sprouts.
- Return the baking dish to the oven and bake for an additional 5-7 minutes, or until the cheese is melted and bubbly and the Brussels sprouts are nicely browned.
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