This easy Twice Baked Cauliflower Casserole has all the cheesy, bacon-loaded goodness of twice baked potatoes without the extra carbs! With just 15 minutes of prep, this satisfying side dish makes comfort food a little lighter!

I love to serve this keto cauliflower casserole with juicy keto pork tenderloin or dijon pork tenderloin medallions, for a delicious weeknight meal.

plated Twice Baked Cauliflower Casserole.

Recipe Highlights: Twice Baked Cauliflower Casserole

  • Flavor: Each creamy and cheesy bite is loaded with rich, savory, smoky, and salty flavors.
  • Time Saver: You can use pre-cut cauliflower florets and cooked bacon.
  • Make Ahead: You can assemble this casserole, and refrigerate up to 24 hours before you need to bake it. Be sure to add 10 minutes to the bake time.

Total Time: 55 Mins Servings: 6 Cooking Method: Oven

Ingredient Notes

roasted cauliflower on a baking sheet for Twice Baked Cauliflower Casserole
  • Cauliflower: Fresh cauliflower should be bright and white without brown spots. Frozen cauliflower can also be used with increased roast time.
  • Cream Cheese: Use softened block cream cheese so it blends easily into the warm cauliflower.
  • Cheese: Other cheeses that would work are smoked cheddar, gouda, or mozzarella, so experiment and create a signature flavor.
  • Bacon: Adds a delicious smoky flavor. Use pre-cooked bacon to make this easy.
  • Green Onion: Chop small, then divide between the filling and topping. Chives are a great alternative.

How To Prep Cauliflower For Roasting

  • Turn the cauliflower so that it is head side down on the cutting board.
  • Cut the smaller stems from the large stem.
  • Continue until all the florets are cut from the main stem and into bite-sized pieces.

How to Make Twice Baked Cauliflower

  1. Toss the cauliflower with oil & garlic. Bake.
  2. Blend cauliflower with cream cheese. Add some cheese & bacon.
  3. Add to a baking dish and top with more cheese.
  4. Bake again (full recipe below).

Tips for the Best Cauliflower Casserole

  • Dry cauliflower florets after washing, then cut into similar sizes. Florets should be spaced out well, divided into two pans if necessary, for the most even roasting.
  • Double roasting the cauliflower gives this dish its savory flavor, while giving it the best texture for a casserole.
  • Check the stems with a fork and continue roasting until they are tender enough to blend smoothly.
  • For a thick and smooth texture, use a food processor. For a chunkier result, use a potato masher.
  • Stir in the bacon and cheese with just a few quick pulses to leave some small pieces throughout.
  • Since bacon and cheese add plenty of salt, sample the mixture first and season only as needed.
Twice Baked Cauliflower Casserole in a bowl with sour cream and bacon

Save Some for Tomorrow

  • Store cooled leftovers in an airtight container or dish covered with plastic wrap.
  • Refrigerate up to 3 to 4 days, or freeze portions for up to 2 months. Thaw in the refrigerator overnight.
  • Reheat small portions at intervals in the microwave. Warm larger portions covered with foil in the oven until heated through and uncover near the end.

More Creamy, Cheesy Veggie Sides

Did you make this Twice Baked Cauliflower Casserole? Leave a comment and rating below.

close up of cheesy Twice Baked Cauliflower Casserole.
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Twice Baked Cauliflower Casserole

Twice baked cauliflower casserole combines tender roasted cauliflower with smoky bacon, green onion, and melted cheese. Prepare it ahead for an easy dinner side.
Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Servings 6 servings
Author Holly

Ingredients  

  • 6 cups cauliflower florets
  • 2 tablespoons olive oil
  • 1 teaspoon garlic powder
  • 2 ounce cream cheese
  • 1 stalk green onion sliced, divided
  • 1 cup cheddar cheese shredded, divided
  • 4 slices bacon cooked and crumbled, divided
  • salt and black pepper to taste
  • ¼ cup Parmesan cheese shredded
  • ¼ cup sour cream garnish, optional

Instructions 

  • Preheat oven to 400°F.
  • Toss cauliflower, oil and garlic powder together and place on a baking sheet. Cook for 20 to 25 minutes or until cauliflower is tender.
  • Blend together cauliflower with cream cheese until almost smooth. Add half of the green onion, cheddar cheese, and bacon and blend until incorporated. Season to taste.
  • Add mixture to 1½ quart baking dish and top with the remaining cheddar cheese, bacon, green onion, and Parmesan cheese.
  • Bake for 15 to 20 minutes or until cheese is melted and dish is heated through.

Notes

  • Nutrition is calculated without sour cream (optional garnish).
  • Refrigerate for 3 to 4 days, or freeze for up to 3 months, in an airtight container.
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Nutrition Information

Calories: 215kcal | Carbohydrates: 7g | Protein: 9g | Fat: 18g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Cholesterol: 37mg | Sodium: 267mg | Potassium: 353mg | Fiber: 2g | Sugar: 3g | Vitamin A: 428IU | Vitamin C: 49mg | Calcium: 225mg | Iron: 1mg

Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.

Course Side Dish
Cuisine American

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Twice Baked Cauliflower Casserole with crispy bacon and writing.
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About the author

At Easy Low Carb® we believe that every meal should be full of big bold flavor! From amazing main dishes and simple sides to the best party snacks, reducing carbs doesn’t mean giving up your favorites!
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