Keto Loaded Cauliflower Casserole

The Keto Loaded Cauliflower Casserole is a rich, comforting, and satisfying low carb dish that swaps potatoes for tender cauliflower while keeping all the flavors of a classic loaded baked potato. Cauliflower florets are cooked until just fork tender, then folded into a creamy blend of cream cheese, sour cream, cheddar, and seasonings before being baked with plenty of melty cheese and crispy bacon on top. Each bite is smoky, cheesy, and tangy with a balance of creamy sauce and lightly crisp edges from the oven. This casserole is hearty enough to serve as a main dish yet versatile enough to pair as a side with steak, chicken, or pork, and it even works as a savory breakfast alongside eggs. With keto friendly fats and very low net carbs per serving, it is an ideal comfort food for anyone following a ketogenic lifestyle.

Course Main, Side Dish

Cuisine American

Keyword gluten free, keto casserole, keto cauliflower, keto side dish, loaded cauliflower, low carb comfort food

Prep Time 15

Cook Time 30

Total Time 45

Servings servings

Calories 340kcal

Equipment

Large pot or saucepan
Colander
large mixing bowl
Skillet
9x13-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 9x13 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.

Notes

To keep the casserole from becoming watery, avoid overcooking the cauliflower and drain it thoroughly so excess moisture does not dilute the cheese sauce. You can prepare the casserole up to the baking step, cover tightly, and refrigerate for up to 24 hours before baking, adding a few extra minutes in the oven if chilled. Leftovers store well in an airtight container in the refrigerator for up to 4 days and can be reheated in a 350°F oven or in the microwave. For extra flavor, cook the cauliflower briefly in some of the bacon drippings after boiling and draining, or add a pinch of red pepper flakes for gentle heat. This dish pairs beautifully with grilled steak, roasted chicken, or eggs for a savory breakfast style meal.

Nutrition