The BEST Keto Pizza Casserole Recipe

This keto cauliflower pizza casserole combines the flavors of pepperoni pizza with the creamy comfort of a casserole. This recipe brings casseroles to a whole new level!

Instead of using carb-loaded pasta as a base, we use steamed cauliflower. Not a cauliflower fan? Try the recipe anyway. It doesn’t taste one bit like cauliflower. Instead, it’s more like macaroni and cheese meets pepperoni pizza. The sauce is rich and creamy with notes of tomato, garlic, basil and oregano. The red pepper flakes add just a little bit of heat and complexity. Add in layers of pepperoni and gooey mozzarella cheese, and this recipe becomes comfort food nirvana.

Just because it’s delicious doesn’t mean this recipe is difficult. This casserole is easy to put together and makes an ideal weekday dinner. Don’t worry if you have extra because it tastes even better the second day. Just cover and refrigerate the unused portion. To reheat, take out the desired amount and reheat with the method of your choice.

When making this casserole, the cauliflower is steamed lightly before the dish is assembled. Don’t over-cook it because it will cook a bit more in the oven. You can save time by beginning the sauce while the cauliflower steams. After the sauce and the cauliflower are finished, assembling the casserole is a snap. Once it’s put together, pop it in the oven and relax while the oven bakes it into gooey goodness.

Read the full recipe with full nutrition breakdown and step-by-step pictures over at:


1 medium cauliflower, head split into small florets
1 Tbsp. butter
1 small yellow onion, diced
1 clove garlic, crushed
2 Tbsp. balsamic vinegar
1 cup heavy cream
6 oz. cream cheese, cut into large chunks
3 Tbsp. tomato paste
3 cups mozzarella cheese, divided
1/2 tsp. oregano, dried
1 Tbsp. basil, fresh
1 tsp. sea salt
1/4 tsp. freshly ground pepper
3 oz. package thinly sliced pepperoni
Red pepper flakes, to taste

Nutrition Summary: This makes a total of 9 servings Keto Cauliflower Pizza Casserole. Each serving comes out to be 353 Calories, 28g Fats, 6g Net Carbs, and 13g Protein.


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  1. @robinsims3004 on May 25, 2024 at 3:18 pm

    This recipe looks great! Can’t wait to try it.

  2. @TheProudWife515 on May 25, 2024 at 4:37 pm


  3. @theastewart6721 on May 25, 2024 at 5:29 pm

    Looks delicious! Thanks for sharing.

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