Delicious & Easy Loaded Cauliflower Casserole: Your Ultimate Low-Carb Comfort Food

Who doesn’t adore a classic loaded baked potato? That creamy, savory delight piled high with rich sour cream, melty cheese, crisp bacon, fresh chives, and a touch of butter is truly comfort food at its finest. The only drawback for many is the carb content of the potato itself. But what if you could capture all those irresistible flavors in a wholesome, low-carb alternative? Get ready to meet your new favorite:
This Loaded Cauliflower Casserole masterfully combines the best aspects of a decadent loaded baked potato with the incredible versatility and health benefits of cauliflower. It’s a super easy, extra delicious, and truly satisfying low-carb casserole that’s perfect for anyone watching their carb intake, following a keto diet, or simply seeking a healthier side dish or main course.
While I often enjoy what I like to call a “#BodyByBread” lifestyle, I’m also a huge fan of incorporating fresh, nutritious vegetables into my meals. Cauliflower is one of those culinary chameleons that can transform into so many delicious things, and it truly shines as a stand-in for potatoes. This casserole recipe is an absolute win-win, delivering big flavors without the carb overload!

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Why You’ll Love This Loaded Cauliflower Casserole
This recipe isn’t just a healthy substitute; it’s a genuinely delicious dish in its own right. Here’s why it deserves a spot in your weekly rotation:
- Low-Carb & Keto-Friendly: A fantastic option for anyone managing their carb intake without sacrificing flavor.
- Incredibly Flavorful: All the classic, beloved flavors of a loaded baked potato are present and accounted for.
- Quick & Easy: Ready in about 30-35 minutes total, making it perfect for busy weeknights.
- Versatile: Serves wonderfully as a hearty side dish or can easily become a satisfying main course.
- Crowd-Pleaser: Even picky eaters or those not typically keen on cauliflower are often surprised by how much they enjoy this dish.
- Nutrient-Rich: Cauliflower is packed with vitamins and fiber, making this a smart choice for healthy eating.
What Do I Need to Make This Delicious Loaded Cauliflower Casserole?
The beauty of this casserole lies in its simplicity and the power of a few key ingredients that deliver maximum flavor. You’ll need:
- Fresh Cauliflower: A medium to large head, cut into bite-sized florets. Fresh is best for texture and flavor.
- Crisp Bacon: About 6 slices, cooked until perfectly crispy and then crumbled. This adds a crucial smoky, salty crunch.
- Shredded Cheddar Cheese: Two cups, divided. Sharp or medium cheddar works wonderfully, providing that essential cheesy goodness.
- Sour Cream: One cup. This is what gives the casserole its creamy, rich base, mimicking the texture of a mashed potato filling.
- Scallions (Green Onion): Three scallions, thinly sliced and divided. They add a fresh, mild oniony bite and a pop of color.
- Salt & Pepper: To taste, for perfect seasoning. Freshly cracked black pepper is always a good idea.
Ingredient Spotlight & Pro Tips:
- Cauliflower: Don’t overcook it when steaming! You want it tender but still with a slight bite, not mushy. This prevents a watery casserole. For an even richer flavor, you could lightly roast the cauliflower florets instead of steaming them, which brings out their natural sweetness and nuttiness.
- Bacon: Cook your bacon well in advance to save time. For the crispiest bacon, bake it in the oven on a foil-lined sheet pan at 400°F (200°C) until desired crispiness, then crumble.
- Cheese: While pre-shredded cheese is convenient, freshly shredded cheddar melts more smoothly and often has a better flavor. Feel free to experiment with a blend of cheeses, like a sharp cheddar and Monterey Jack, for extra complexity.
- Sour Cream Alternatives: For an even lighter option, Greek yogurt can be substituted for sour cream, adding a tangy twist and extra protein. Cream cheese can also be blended in for an ultra-creamy consistency.
- Seasoning Boost: Consider adding a pinch of garlic powder or onion powder to the mixture along with the salt and pepper for an extra layer of savory flavor. A dash of smoked paprika can also enhance the “loaded” potato feel.

Step-by-Step Guide to Assembling Your Casserole
As I said, what’s not to like here? The assembly is truly straightforward, making this recipe accessible for even novice cooks. Here’s how it comes together:
- Prep Your Oven and Dish: Start by preheating your oven to 350°F (175°C) and lightly greasing a casserole dish with non-stick cooking spray. This ensures easy cleanup and prevents sticking.
- Steam the Cauliflower: Break your head of fresh cauliflower into small florets. Steam them until they are just tender enough to be pierced with a fork but still hold their shape. This usually takes about 5-8 minutes depending on the size of your florets. Drain thoroughly to remove any excess moisture.
- Combine the Goodness: In a large mixing bowl, combine the steamed cauliflower florets with the sour cream, half of your cooked and crumbled bacon, half of the thinly sliced scallions, and half of the shredded cheddar cheese. Season generously with salt and fresh cracked pepper. Give it a good stir to ensure all the cauliflower is coated in that creamy, cheesy mixture.
- Into the Casserole Dish: Spread the cauliflower mixture evenly into your prepared casserole dish. Then, sprinkle the remaining half of the shredded cheddar cheese over the top. This layer of cheese will melt into a golden, bubbling crust.
- Bake to Perfection: Bake in the preheated oven for 18-20 minutes, or until the casserole is heated through, the cheese on top is beautifully melted and bubbly, and the edges are lightly golden.
- Garnish and Serve: Once out of the oven, immediately sprinkle the remaining crumbled bacon and fresh scallions over the hot casserole. This adds freshness, color, and a final burst of flavor and texture. Serve hot and dig in!
The best part, besides the amazing taste, of course? This delicious low-carb cauliflower casserole is done and on your table in about 30-35 minutes from start to finish. This makes it an ideal anytime side dish, a quick and satisfying main meal, or even a perfect addition to your holiday spread. It’s truly impressive yet requires minimal effort!

Whether you serve it as a hearty side to grilled chicken or steak, or as a standalone vegetarian main dish, this casserole is bound to be a hit. We hope you try it and love it as much as our family does!
Love Cauliflower? Us, Too! Explore More Favorite Cauliflower Recipes!
Cauliflower is a true superhero in the kitchen, capable of transforming into countless delectable dishes. If you’re looking for more ways to enjoy this versatile vegetable, check out some of our other fantastic cauliflower-based recipes:
A Culinary Reunion: Revisiting the Secret Recipe Club!
Back in the day, I had the pleasure of participating in a wonderful online community called Secret Recipe Club. Each month, members were assigned a mystery blog to cook or bake from. On a designated “reveal day,” usually a Monday, we would all simultaneously share our chosen recipes and discover who had been assigned our own blog and what delicious dish they prepared. It was always an exciting and fun way to explore new blogs and try different recipes. As with many good things, the club eventually came to an end, but the memories and culinary discoveries have stayed with me.
This month, however, we’re having a special reunion! I was thrilled to be assigned the blog Cheese Curd In Paradise. Ashley, the talented blogger behind it, runs a truly inspiring site that is absolutely packed with so many mouth-watering recipes it will make your head spin! Her blog is truly after my own heart – Ashley has a little bit of everything on her site, from comforting casseroles to sweet treats and refreshing drinks. You’ll definitely need to pull up a chair and allot yourself some time once you start scrolling through her fantastic archives!
Funnily enough, I had actually been assigned this blog before. On that occasion, I made Ashley’s Hawaiian Chicken BBQ Sandwiches in a Crockpot, which were absolutely delicious and became a family favorite. But I couldn’t get my mind off the amazing-sounding Philly Cheese Steak Sloppy Joes she also featured, so I ended up making those a short while later as well, and they were equally delicious!
This time around, I’ve got three more recipes from Cheese Curd In Paradise on my short list to make very soon: Ashley’s delightful Churro Chex Mix (perfect for snacking!), her comforting Cheeseburger and Fries Casserole (a brilliant one-dish meal), and of course, her intriguing Rhubarb Honey White Sangria (sounds like the perfect summer refreshment!). But today, we’re focusing on the star of this post, the incredible Loaded Cauliflower Casserole, which I discovered through Ashley’s fantastic blog!
->See ALL of my past Secret Recipe Club Recipes<-

Now, let’s get to the full recipe so you can create this amazing dish in your own kitchen! We can’t wait for you to try it.

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Print Recipe
Loaded Cauliflower Casserole
Ingredients
- 1 head fresh cauliflower cut into bite-sized pieces, about 5 cups
- 1 cup sour cream (full-fat recommended for best creaminess)
- 2 cups shredded cheddar cheese divided (use sharp cheddar for more flavor)
- 3 scallions thinly sliced, divided (green onions)
- 6 slices bacon cooked until crisp and crumbled, divided
- 1/2 teaspoon salt
- 1/4 teaspoon fresh cracked black pepper
- Non-stick cooking spray (for the casserole dish)
Instructions
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Preheat oven to 350°F (175°C). Lightly spray a medium-sized casserole dish (about 9×13 inch) with non-stick cooking spray.
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Cut the fresh cauliflower into bite-sized florets. Steam the cauliflower until it is just tender when pierced with a fork, but still holds its shape (do not overcook). Drain any excess water thoroughly.
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In a large bowl, combine the steamed cauliflower, sour cream, half of the crumbled bacon, half of the sliced scallions, and half of the shredded cheddar cheese. Season with salt and pepper. Stir gently to combine all ingredients evenly.
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Transfer the mixture to the prepared casserole dish and spread it evenly. Sprinkle the remaining half of the shredded cheddar cheese over the top of the casserole.
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Bake for 18-20 minutes, or until the casserole is heated through and the cheese on top is melted, bubbly, and lightly golden.
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Remove from the oven, top with the remaining crumbled bacon and fresh scallions, and serve hot. Enjoy this delightful low-carb comfort food!