Keto Cheesy Bacon Brussels Sprouts Casserole Recipe is a cozy, flavorful dish that turns humble Brussels sprouts into a rich, satisfying meal. With crispy bacon, creamy cheese sauce, and perfectly roasted sprouts, this casserole is one of those recipes I reach for when I want comfort food without straying from my keto goals. It’s ideal for weeknights when you want something quick and easy but also special enough to impress guests or make family dinners feel a bit festive. If you love bold flavors with a side of creamy deliciousness, you’ll adore this casserole just as much as I do.
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What Makes This So Good
This Keto Cheesy Bacon Brussels Sprouts Casserole Recipe is the perfect marriage of textures and flavors that’s both indulgent and low-carb. I love how the Brussels sprouts come out tender with crispy edges, while the bubbly cheese sauce gives it that creamy, melty magic everyone craves.
- Big Flavor, Minimal Fuss: Roasting sprouts brings out their natural sweetness, and the bacon adds smoky depth without complicated steps.
- Family-Friendly: Even picky eaters usually enjoy this casserole thanks to its creamy, cheesy texture and familiar ingredients.
- Simple Ingredients: You likely have most of these staples in your fridge or pantry, so it’s super easy to whip up any night.
- Works Any Night: Whether it’s a busy weeknight or a holiday side, it fits the bill with impressive, comforting results.
Ingredient Guide
Choosing the right ingredients for your Keto Cheesy Bacon Brussels Sprouts Casserole Recipe will make all the difference. Here’s what to look out for and some swaps to keep things flexible.
- Brussels Sprouts: Fresh, firm sprouts with vibrant green leaves roast best and get that perfect caramelized flavor.
- Bacon: Thick-cut bacon crisps up nicely and adds great texture. If you’re short on time, pre-cooked bacon crumbles work too.
- Cheeses: Sharp cheddar brings boldness; cream cheese ensures creaminess. Use full-fat versions for the best keto-friendly results.
- Heavy Cream: Adds richness and helps create a silky cheese sauce that coats the sprouts beautifully.
- Olive Oil: A light drizzle helps the sprouts roast to golden perfection and keeps them juicy inside.
- Seasonings: Garlic powder is key to building savory depth; feel free to add a pinch of smoked paprika or chili flakes for a kick.
Quick Reminder: Full measurements are in the recipe card below.
How to Make Keto Cheesy Bacon Brussels Sprouts Casserole Recipe
Step 1 — Prep & Ready
Start by preheating your oven to 375°F (190°C) to get that perfect roast going. As the oven warms, halve your Brussels sprouts — I find cutting them lengthwise helps them cook evenly and develop those irresistibly crispy edges. Toss them generously with olive oil, salt, and pepper. If you season early, the veggies soak up flavor as they roast. While the sprouts are prepping, cook your bacon until it’s crisp but not too brittle because some chew adds great texture. Crumble it and set it aside for the layering step.
Step 2 — Cook with Confidence
Spread the Brussels sprouts in a single layer on a baking sheet and roast them for 20 minutes. You’ll know they’re ready when you see that golden-brown color on the edges and smell that cozy, slightly nutty aroma that makes you eager to dig in. Meanwhile, mix together your heavy cream, softened cream cheese, garlic powder, and half of the cheddar cheese until smooth and luscious. This sauce is the glue that holds your casserole together, so take a moment to make sure it’s silky and lump-free before layering.
Step 3 — Finish & Serve
Grab a greased 9×9-inch baking dish and start layering: first the roasted Brussels sprouts, then sprinkle your crumbled bacon evenly on top. Pour over your cheesy sauce so it seeps through the layers, then finish with the remaining cheddar cheese for a beautiful golden top. Slide it into the oven and bake for another 20 to 25 minutes. When the cheese is bubbly and those edges turn crisp, it’s ready. Let it cool a few minutes before serving — the sauce sets slightly and makes dishing up a dream.
Extra Helpful Tips
I’ve learned a few tricks along the way to make sure your Keto Cheesy Bacon Brussels Sprouts Casserole Recipe comes out just right every time.
- Watch for This Sign: When roasting sprouts, look for lightly charred edges — that caramelization is pure flavor gold.
- Temperature Trick: Oven temps can vary, so if your cheese browns too fast but the dish isn’t bubbly, lower heat slightly and bake longer.
- Prep-Ahead Option: You can roast the sprouts and cook the bacon up to a day in advance, then assemble and bake when ready.
- Avoid This Common Mistake: Don’t overcrowd the sprouts while roasting — giving them space ensures crispiness rather than steaming.
Serve & Enjoy
Easy Enhancements
If you want to jazz up your Keto Cheesy Bacon Brussels Sprouts Casserole Recipe, consider stirring in chopped fresh herbs like thyme or rosemary into the cream sauce. A sprinkle of parmesan on top can add a nutty depth, or toss in some caramelized onions for a touch of sweetness that balances the savory flavors beautifully.
Tasty Pairings
This casserole pairs wonderfully with a crisp green salad dressed in lemon vinaigrette to lighten the plate. For something heartier, serve alongside grilled chicken or steak. A sparkling water with a squeeze of lime or a dry white wine complements the richness nicely if you’re enjoying a cozy night in.
Quick Plating Tips
Keep it simple and fresh — garnish your casserole with a few sprigs of fresh parsley or chives to add a pop of color. Serving it in individual ramekins can make it feel special, or scoop out generous portions onto warm plates and add a little extra sprinkle of cheese while it’s hot for that melt-in-your-mouth touch.
Store, Freeze & Reheat
Fridge Storage
You can keep leftovers in an airtight container in the fridge for 3 to 4 days. You’ll notice the sauce firms up and the sprouts soften a bit, but reheating brings back much of that original creaminess and flavor.
Freezer Friendly?
This casserole freezes fairly well for up to 2 months. To avoid sogginess, freeze in individual portions and thaw overnight in the fridge before reheating. Avoid freezing if you plan to freeze for longer than 2 months to maintain best texture.
Reheat Like New
Reheat leftovers covered in the oven at 350°F (175°C) for 15-20 minutes until warmed through and bubbly. If using a microwave, heat in short bursts to keep the sauce creamy and avoid drying out the sprouts. A quick sizzle in a warm skillet can help bring back crispness to the bacon bits.
Keto Cheesy Bacon Brussels Sprouts Casserole Recipe FAQs
You can swap the dairy ingredients for dairy-free alternatives like coconut cream and vegan cheese, but the texture and flavor will change somewhat. For the best creamy results, stick with full-fat dairy when possible.
Fresh Brussels sprouts roast best for this recipe, but if you use frozen, thaw and drain them thoroughly to avoid excess moisture that could make the casserole soggy.
Add some crushed red pepper flakes to the cheese sauce or sprinkle smoked paprika over the top before baking for a subtle spicy kick that pairs well with the rich flavors.
Absolutely! Just use a larger baking dish or two 9×9-inch pans and adjust bake time slightly—keeping an eye on the cheese bubbling and browning for perfect results.
Final Flavor Thoughts
I hope you enjoy making and savoring this Keto Cheesy Bacon Brussels Sprouts Casserole Recipe as much as I do. It’s one of those dishes that tastes like a special treat but comes together without stress. After your first try, you might want to mix in some extras like walnuts or swap cheeses to find your perfect combo—feel free to get creative! If you loved it, don’t forget to share a star rating or drop a comment with your favorite twist.
Print📖 Recipe
Keto Cheesy Bacon Brussels Sprouts Casserole Recipe
This Keto Cheesy Bacon Brussels Sprouts Casserole is a delicious low-carb side dish perfect for keto diets. Roasted Brussels sprouts are combined with a rich cheese sauce and crispy bacon, then baked until bubbly and golden, creating a comforting and flavorful casserole that’s perfect for any meal.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Total Time: 60 minutes
- Yield: 4 servings
- Category: Casserole
- Method: Baking
- Cuisine: American
- Diet: Low Carb
Ingredients
Vegetables
- 4 cups Brussels sprouts, halved
Meat
- 6 slices bacon, cooked and crumbled
Dairy
- 1 cup heavy cream
- 1 cup shredded cheddar cheese
- ½ cup cream cheese, softened
Spices & Oils
- 1 teaspoon garlic powder
- Salt and pepper to taste
- Olive oil for drizzling
Instructions
- Preheat Oven: Preheat your oven to 375°F (190°C) to prepare for roasting the Brussels sprouts and baking the casserole.
- Roast Brussels Sprouts: In a large bowl, toss the halved Brussels sprouts with olive oil, salt, and pepper ensuring even coating. Spread them out on a baking sheet in a single layer and roast for about 20 minutes until tender and slightly caramelized.
- Make Cheese Sauce: While the Brussels sprouts roast, combine the heavy cream, softened cream cheese, garlic powder, and half of the shredded cheddar cheese in a mixing bowl. Mix until the sauce is smooth and creamy.
- Assemble Casserole: Grease a 9×9-inch baking dish. Layer the roasted Brussels sprouts evenly in the dish, then sprinkle the crumbled cooked bacon over them. Pour the prepared cheese sauce over the top, spreading it evenly. Finally, sprinkle the remaining cheddar cheese on top.
- Bake Casserole: Place the baking dish in the oven and bake for 20-25 minutes until the cheese is bubbly and golden brown on top. Remove from oven and allow to cool slightly before serving for the best texture and flavor.
Notes
- You can substitute bacon with turkey bacon for a leaner option.
- For extra flavor, add chopped onions or a sprinkle of smoked paprika to the cheese sauce.
- Ensure Brussels sprouts are cut evenly for uniform roasting.
- Use full-fat dairy products to keep it keto-friendly and creamy.
- This casserole can be prepared ahead of time and refrigerated before baking.
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