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Home » main dish » Keto Low Carb Pizza Casserole

Keto Low Carb Pizza Casserole

Last updated: January 7, 2021 | First published: January 7, 2021 | Leave a Comment

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If you're eating low carb and missing pizza, This Low Carb Pizza Casserole is THE RECIPE for you! It's full of traditional pizza toppings and melty, gooey cheese, then baked in an easy casserole style. Welcome back Pizza Movie Nights! via @artfrommytableIf you're eating low carb and missing pizza, This Low Carb Pizza Casserole is THE RECIPE for you! It's full of traditional pizza toppings and melty, gooey cheese, then baked in an easy casserole style. Welcome back Pizza Movie Nights! #keto #pizza via @artfrommytableIf you're eating low carb and missing pizza, This Low Carb Pizza Casserole is THE RECIPE for you! It's full of traditional pizza toppings and melty, gooey cheese, then baked in an easy casserole style. Welcome back Pizza Movie Nights! #pizza #keto  via @artfrommytable

If you’re eating low carb and missing pizza, This Low Carb Pizza Casserole is THE RECIPE for you! It’s full of traditional pizza toppings and melty, gooey cheese, then baked in an easy casserole style. Welcome back Pizza Movie Nights!

slice of pizza casserole on a white plate

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Pizza is a classic dish that everyone in the family loves. But if you’re watching your carbs, you might think it’s out of the question.

GREAT NEWS! Instead of missing out on your favorite dinner, I have a better option for you! (Insert angels singing here). This is Keto-friendly, low carb, and a THM S.

With a simple cauliflower crust and tons of delicious toppings, this easy Low Carb Pizza Casserole is packed with flavor and only a fraction of the carbs.

If you just thought “oh no! Cauliflower crust!” Just hang with me. I was not initially a fan when this was all the rage. BUT, I promise, you can’t taste the cauliflower in this, and with my shortcuts, it’s easy to do.

How To Make Keto Pizza Casserole

Ingredients

FOR THE CRUST

  • Riced cauliflower– You can rice your own, use store-bought, or frozen**
  • Eggs
  • Seasonings– keep it easy with garlic powder, salt, and dried oregano. Fresh herbs work too.
  • Mozzarella cheese– Using cheese will help bind your crust as it bakes and add flavor.

**A great shortcut is to buy fresh riced cauliflower. It’s in the produce section of your grocer.

If you’re starting with a head of cauliflower, put the florets in a food processor and process until it is broken down to a crumb-like texture.

If you choose to use frozen cauli-rice, I’d recommend thawing it first, and then draining and squeezing out the excess moisture to avoid a wet crust.

ingredients for keto pizza casserole, sausage, pepper, onion, pepperoni, cheese, eggs, pizza sauce riced cauliflower, and seasonings

FOR THE FILLING

The sky’s the limit when it comes to the combination of toppings you choose. Here’s what we’re using today, but I’ve added more ideas later in the post.

  • Italian style sausage– mild, medium, or hot.
  • Onions and green peppers
  • Pepperoni
  • Pizza sauce– I recommend sugar-free. Check the ingredient list to make sure there is no added sugar.
  • Mozzarella cheese– yep, more cheese. No such thing as too much, do you agree?

3 easy steps

STEP ONE: MAKE THE CRUST

If making pizza dough is intimidating to you, you’ll love this easy to make crust.

Looking for an easy more traditional pizza dough? Try my two-ingredient pizza dough in this white pizza recipe.

  • Preheat the oven to 400°, spray a 9×13 casserole dish with nonstick cooking spray.
  • Combine the cauliflower, eggs, salt, garlic, powder, oregano, and cheese in a large bowl. Spread the mixture in an even layer in your prepared pan and bake for 15 to 20 minutes.
a collage of 4 photos showing how to make cauliflower crust by combining eggs, cheese, cauliflower, mixing it, spreading it in a pan and baking.

STEP TWO: MAKE THE FILLING

While the crust is baking, make the filling.

  • Brown the sausage in a large skillet over medium-high heat. Add the onion and green peppers and saute’ until the onions are translucent, about 5 minutes.
  • Drain any excess fat. Add pepperoni, sauce, and seasonings, mix all the ingredients together until they’re well combined.
ground sausage, pepperoni, onion and green pepper cooked in a cast iron skillet
sausage, pepperoni, green pepper, onion and pizza sauce in a cast iron skillet

STEP THREE: ASSEMBLE AND BAKE

  • Spread the meat mixture over the top of the crust.
  • Top with the remaining mozzarella cheese and add some more pepperoni to the top.
assembled pizza casserole before baking
  • Place the casserole in the oven, under the broiler, until the cheese on top is melted and beginning to bubble. If you don’t have a broiler, just place it back in the preheated 400° oven for a few minutes to melt the cheese.
Keto Pizza Casserole in a white casserole dish garnished with fresh oregano

Notes

  • If you want an even tastier crust, you can roast the cauli rice in a 400° oven for 5-10 minutes. Adds a sweeter deeper flavor.
  • You can use egg whites in place of whole eggs to lighten it up. Just make sure you use 100% egg whites if you’re purchasing the carton. 3 tablespoons of egg whites are equivalent to 1 large egg.
  • You can substitute 1 teaspoon of Italian seasoning for the garlic powder and oregano.
  • Turkey sausage and turkey pepperoni work great in this recipe.
  • Personally, I love the crust, but, you can skip it altogether and eat yourself a “meatza”.
piece of keto pizza casserole on a spatula being served

More low carb topping ideas

These pizza toppings are all great low-carb options:

  • Meat: chicken, beef, pepperoni, bacon, ham, salami, and sausage
  • Cheese: mozzarella, parmesan, feta, Monterey jack, goat cheese, bleu cheese, and cheddar
  • Vegetables: bell peppers, onions, banana peppers, jalapeno peppers, spinach, mushrooms, tomatoes, olives, roasted butternut squash, zucchini, yellow squash, and eggplant
  • Herbs: basil, oregano, parsley, and red pepper flakes

Combination Ideas

Try these topping combinations for a twist on this pizza casserole:

  • Meat lovers: Pack your pizza with protein by using only meat and cheese as your toppings. My son would give this a thumbs up.
  • Veggie pizza: Skip the meat altogether and use a variety of veggies instead.
  • Bacon cheeseburger: Combine ground beef, onions, pickles, and bacon to create a bacon cheeseburger flavored pizza.
  • Chicken bacon ranch: Add cooked chicken, chopped bacon, and ranch dressing.
  • Margherita pizza: Top the crust with sauce, tomato, and slices of fresh mozzarella. Before serving, drizzle with olive oil and top with fresh basil.
  • BBQ chicken pizza: Instead of using tomato sauce, add sugar-free BBQ sauce (I like Rufus Teague), shredded chicken, red onions, and mozzarella cheese.
two plates with pieces of low carb pizza casserole garnished with fresh basil

Storing/Make ahead option

This recipe will keep for up to a week in the refrigerator, and up to six months in the freezer. Make sure you cover it well to prevent freezer burn.

To make this ahead of time:

  1. Simply follow the instructions up to through the assembly.
  2. Instead of baking it then, cover well and place it in the refrigerator or freezer (depending on how soon you need it).
  3. To heat: If it’s frozen, thaw in your refrigerator first. Then preheat the oven to 350°, bake loosely tented with foil for 20-25 minutes. Remove the foil and return it to the oven until the cheese is fully melted and bubbling.

Traditional Pizza Recipes

  • Roasted Vegetable Pizza
  • Turkey Cranberry Pizza

More Low Carb Recipes

  • Low Carb Sausage & Kale Soup
  • Low Carb Cottage Pie
  • Low Carb Pancakes
  • Low Carb Mexican Meatloaf
  • Taco Soup
  • Stuffed Flank Steak
  • Egg Roll In A Bowl
  • Deconstructed Stuffed Peppers
  • Sheet Pan Chicken Fajitas
  • Loaded Spaghetti Squash Boats

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Your shares are how this site grows and I appreciate each one. Do you know someone who would enjoy this recipe?

I’d love it if you would share it on your favorite Pinterest board or Facebook! AND…if you like this recipe, please do me a favor and give it a ⭐️ ⭐️ ⭐️ ⭐️ ⭐️ rating! TIA 🥰

You can also follow along on YouTube and Instagram!

This recipe was inspired by a recipe in the Trim Healthy Table Cookbook. I’ve adapted it to make it my own.

slice of pizza casserole on a white plate

Low Carb Keto Pizza Casserole

If you're living the low carb life but missing pizza, this is the answer! Cauliflower crust, traditional pizza toppings, gooey cheese all in comforting casserole style!
0 from 0 votes
Print Pin Rate
Course: Main Dish
Cuisine: Italian
Prep Time: 10 minutes
Cook Time: 15 minutes
broiling time: 5 minutes
Total Time: 30 minutes
Servings: 6
Calories: 483kcal
Author: Chellie Schmitz
Cost: $5

Equipment

  • 9 x 13 casserole dish
  • large skillet
Prevent your screen from going dark

Ingredients

  • Ingredients:

For the Crust:

  • Olive oil spray for coating the pan
  • 2 cups riced cauliflower fresh or frozen
  • 3 large eggs
  • ½ teaspoon salt
  • ½ teaspoon garlic powder
  • ½ teaspoon oregano
  • 1 cup mozzarella cheese shredded

For the filling

  • 1 pound Italian style sausage mild, medium, or hot.
  • ½ cup onion diced
  • ½ cup green peppers diced
  • 2 ounces pepperoni roughly chopped. Plus extra for topping left whole
  • 8 ounce jar pizza sauce
  • 1 cup mozzarella cheese shredded

Instructions

  • Instructions:

Crust:

  • Preheat the oven to 400°. Lightly coat a 9 x 13 inch dish with olive oil spray
  • Mix the cauliflower rice, eggs, garlic, salt, oregano, and one cup of the mozzarella cheese in a bowl.
  • Place the mixture in the 9 x 13 inch pan and spread evenly on the bottom.
  • Place in the oven, uncovered for 15-20 minutes.

Filling:

  • While that’s baking, make the topping. Place a skillet over medium high heat, add the sausage and brown, breaking up with a spoon, until cooked through. Add the onions, peppers, and pepperoni and saute until the onions are translucent. Drain the excess fat, and return the mixture to the pan.
  • Add the pizza sauce and stir to combine.
  • When the crust is finished cooking, remove from the oven.
  • Spread the sausage mixture over the top of the crust.
  • Add the remaining cheese and pepperoni.
  • Place under the broiler for 2-4 minutes to melt and brown the cheese.

Notes

  • You can ‘rice’ your own cauliflower, use fresh store bought, or frozen. If using frozen, thaw and squeeze out excess moisture.
  • If you want an even tastier crust, you can roast the cauli rice in a 400° oven for 5-10 minutes. Adds a sweeter deeper flavor.
  • You can use egg whites in place of whole eggs to lighten it up. Just make sure you use 100% egg whites if you’re purchasing the carton. 3 tablespoons of egg whites are equivalent to 1 large egg.
  • You can substitute 1 teaspoon of Italian seasoning for the garlic powder and oregano.
  • Turkey sausage and turkey pepperoni work great in this recipe.
  • Personally, I love the crust, but, you can skip it altogether and eat yourself a “meatza”.
  • To make this ahead of time:
    1. Simply follow the instructions up to through the assembly.
    2. Instead of baking it then, cover well and place it in the refrigerator or freezer (depending on how soon you need it).
    3. To heat: If it’s frozen, thaw in your refrigerator first. Then preheat the oven to 350°, bake loosely tented with foil for 20-25 minutes. Remove the foil and return it to the oven until the cheese is fully melted and bubbling.

Nutrition

Calories: 483kcal | Carbohydrates: 8g | Protein: 26g | Fat: 39g | Saturated Fat: 16g | Cholesterol: 179mg | Sodium: 1393mg | Potassium: 602mg | Fiber: 2g | Sugar: 4g | Vitamin A: 581IU | Vitamin C: 41mg | Calcium: 239mg | Iron: 2mg
Tried this recipe?I love to see what’s on YOUR table! Mention @artfrommytable or tag #artfrommytable on your favorite social.
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About Chellie Schmitz

Chellie is the creator of Art From My Table, where her passion for delicious food and gathering with loved ones comes together. She believes anyone can cook a great meal, it doesn't have to be complicated or stressful. Her recipes and food photography have been featured in many publications including Buzzfeed, Southern Living, Today Food, and Fitness magazine.

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