Who says comfort food can’t be low carb? This Keto Loaded Cauliflower Casserole proves that casserole night is alive and well—just with a keto twist. Imagine tender cauliflower smothered in creamy cheese sauce, crispy bacon bits, and that satisfying bite that makes your fork do a happy dance. If you’ve been craving baked potatoes while on keto, this casserole is your perfect substitute.
Cauliflower is the superstar of keto recipes, standing in for potatoes without the carb overload. When combined with melted cheese, savory bacon, tangy sour cream, and a touch of garlic and onion, your taste buds won’t even notice the absence of potatoes.
This casserole isn’t just keto-friendly; it’s downright irresistible. Whether you’re feeding picky eaters, prepping meals for the week, or simply seeking an effortless yet rewarding dish, it ticks all the boxes. Plus, it appeals to everyone at the table—no keto required. If they love comfort food, they’ll love this.
Why This Casserole is Perfect for Keto
So, what makes this recipe perfect for keto? It balances macros without sacrificing flavor or texture.
- Cauliflower swaps carb-laden potatoes flawlessly, offering a mild, filling base that absorbs savory flavors.
- Cheese adds rich fats and creamy depth—try sharp cheddar or mozzarella for variety.
- Crispy bacon brings salty, smoky goodness that elevates the dish.
- Cream cheese and sour cream provide luscious creaminess and a slight tang, mimicking loaded potato skins but carb-free.
Together, these ingredients create a dreamy texture and keep your comfort food cravings satisfied, all while staying keto.
A Breakdown of the Key Ingredients
Breaking down the key ingredients:
- Cauliflower acts like a flavor sponge—tender, substantial, and packed with fiber and vitamins, making your body and taste buds happy.
- Cheese and bacon offer flavor and structure. Melted cheese fills every nook, and bacon adds crunch and that irresistible savory punch.
- Cream cheese and sour cream combine for a velvety base with rich, tangy notes.
Flavor-wise, it’s rich and smoky with a cozy boost from garlic and onion powders, all without extra carbs. The texture balances creamy, cheesy, and slightly crisp—especially if you broil the top for a minute or two. This casserole leaves you feeling full and satisfied, not hungry an hour later.
Pro Tips for the Best Results
Pro tips for the best results:
- Don’t overcook the cauliflower; aim for fork-tender, not mushy.
- Drain the cauliflower well to avoid excess moisture ruining the casserole.
- Cook bacon separately for maximum crispiness, and optionally sauté cauliflower in bacon grease for extra flavor.
- Layer the cheese—some mixed inside and a generous handful on top for a perfect golden crust.
- Season boldly with garlic powder, onion powder, salt, and pepper since cauliflower is mild.
Make-Ahead and Serving Ideas
For meal prep, this casserole shines:
- Store in an airtight container refrigerated for up to 4 days.
- Freeze individual portions for easy future meals; reheat from frozen or thaw overnight.
- Reheat in the oven at 350°F to keep texture, or microwave for convenience (though the top may soften).
Serve it any time—this casserole works as a satisfying main, a standout side next to steak or chicken, a potluck crowd-pleaser, or even a savory breakfast by adding scrambled eggs for a morning twist.
Make this Keto Loaded Cauliflower Casserole your go-to comfort dish—warm, cheesy, and perfectly keto, just like you want it.
Keto Loaded Cauliflower Casserole
Equipment
- Large pot or saucepan
- Colander
- large mixing bowl
- Skillet
- 9×13-inch Baking Dish
- Whisk
- Oven
Ingredients
For the cauliflower base
- 2 pounds cauliflower florets fresh or frozen, cut into bite sized pieces
- 1 teaspoon fine sea salt for boiling water
For the creamy cheese sauce
- 4 ounces cream cheese softened, full fat
- 1 cup sour cream full fat
- 1 cup shredded sharp cheddar cheese divided, for sauce and topping
- 1/4 cup grated Parmesan cheese optional but adds flavor
- 1/4 cup unsalted butter melted
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- 1/2 teaspoon smoked paprika or regular paprika
- 1/2 teaspoon fine sea salt or to taste
- 1/4 teaspoon black pepper or to taste
For the loaded toppings
- 8 slices thick cut bacon cooked crisp and crumbled
- 1/2 cup shredded sharp cheddar cheese for topping
- 1/4 cup sliced green onions plus extra for serving
Instructions
- Preheat the oven to 375°F and lightly grease a 9×13 inch baking dish with butter or nonstick spray.
- Bring a large pot of water to a boil, season it with the teaspoon of salt, and add the cauliflower florets.
- Cook the cauliflower until just fork tender but not mushy, about 5 to 7 minutes for fresh or slightly longer for frozen.
- Drain the cauliflower very well in a colander, then let it sit for a few minutes to release excess steam and moisture.
- Pat the drained cauliflower lightly with paper towels if it still looks wet, then transfer it to a large mixing bowl.
- While the cauliflower drains, cook the bacon in a skillet over medium heat until crisp, then transfer to a paper towel lined plate and crumble when cool.
- In another mixing bowl, whisk together the softened cream cheese, sour cream, melted butter, garlic powder, onion powder, smoked paprika, salt, and black pepper until smooth and creamy.
- Stir in 1 cup of shredded cheddar cheese and the grated Parmesan until evenly combined with the cream mixture.
- Add the well drained cauliflower to the cheese sauce and gently fold until all of the florets are evenly coated without breaking them up too much.
- Fold in about half of the crumbled bacon and half of the sliced green onions, reserving the rest for topping.
- Spoon the cauliflower mixture into the prepared baking dish and spread it into an even layer.
- Sprinkle the remaining shredded cheddar cheese evenly over the top of the casserole followed by the remaining crumbled bacon.
- Bake the casserole uncovered for 18 to 22 minutes, or until the cheese is melted, bubbly, and the edges are lightly browned.
- For a crisper top, place the casserole under the broiler for 1 to 2 minutes, watching closely to prevent burning.
- Remove the casserole from the oven and let it rest for 5 to 10 minutes to set slightly before serving.
- Garnish the top with the remaining sliced green onions and serve warm as a main dish or hearty side.

