Mouthwatering Low Carb Pizza Casserole: Your Ultimate Keto Diet Recipe Guide

Indulge in Guilt-Free Comfort with Low Carb Pizza Casserole

Imagine diving into a warm, cheesy casserole that satisfies your pizza cravings without derailing your keto goals. That’s exactly what you get with this Low Carb Pizza Casserole. It’s a dish that combines the comforting flavors of pizza with the principles of a ketogenic diet, making it a perfect meal for those seeking both taste and nutrition.

With this recipe, you’ll enjoy a delicious blend of melted cheeses, savory toppings, and a rich tomato sauce, all nestled on a cauliflower base that’s both nutritious and low in carbs. It’s a meal that doesn’t compromise on flavor and will become a staple at your dinner table. Let’s embark on a culinary journey that keeps your carb count low and your satisfaction high!

Low Carb Pizza Casserole

A Keto-Friendly Twist on Classic Comfort Food

The Low Carb Pizza Casserole is more than just a meal; it’s a testament to the versatility of keto cooking. Born from the desire to enjoy the essence of pizza without the guilt, this dish is a harmonious blend of low-carb ingredients that come together to create a comforting and satisfying experience.

One of the key components of this casserole is riced cauliflower, a genius substitute for traditional pizza dough that drastically reduces the carb content while providing a dose of vitamins and fiber. The combination of mozzarella and Parmesan cheeses not only adds decadent creaminess but also contributes valuable fats and proteins, aligning perfectly with keto macronutrient ratios.

Moreover, the addition of Italian seasoning and garlic powder infuses the dish with classic pizza flavors, while the low-carb pizza sauce ensures that you’re keeping sugar content to a minimum. Toppings like pepperoni, bell peppers, onions, and black olives offer a burst of flavor and texture, making each bite as exciting as the last.

Keto Pizza Casserole Ingredients

Mastering the Low Carb Pizza Casserole

The secret to a perfect Low Carb Pizza Casserole lies in the details. Begin by preheating your oven to ensure a consistent cooking environment. When microwaving the riced cauliflower, make sure to drain it thoroughly to avoid a soggy base. A well-drained cauliflower will result in a firmer, more pizza-like crust.

Combining the cauliflower with the right amount of cheese and egg creates a binding effect that’s crucial for the structural integrity of the crust. When pressing the mixture into the casserole dish, aim for an even layer to ensure uniform cooking and a consistent texture throughout.

Watch for the golden brown color as a sign that your crust is ready for the next layer. When adding the pizza sauce, spread it evenly to cover the crust, which will prevent any dry spots. As you layer the cheese and toppings, distribute them generously and evenly for a well-balanced flavor in every slice. The final bake is where the magic happens, as the cheese melts and the toppings cook to perfection.

Baking Low Carb Pizza Casserole

Variation: Meat Lovers’ Dream

For those who can’t resist a meaty pizza, transform this casserole into a carnivore’s delight. Add cooked Italian sausage, crispy bacon bits, and diced ham to the topping mix. Each meat adds a unique flavor and texture, creating a robust and hearty meal that’s still keto-friendly.

Variation: Veggie Supreme

Vegetable enthusiasts can rejoice with a veggie supreme version of this casserole. Incorporate spinach, mushrooms, artichoke hearts, and sliced tomatoes for a nutrient-packed twist. These veggies not only add color and variety but also enhance the dish with their natural, earthy flavors.

Variation: Spicy Kick

If you enjoy a bit of heat, give your casserole a spicy kick. Add sliced jalapeños, red pepper flakes, and a drizzle of hot sauce before the final bake. The heat will cut through the richness of the cheese and leave your taste buds tingling for more.

Substitutions for Every Preference

While the original recipe is designed to be keto-friendly, there are always options to tailor it to your specific dietary needs or preferences. For the base, try using broccoli rice as an alternative to cauliflower for a different flavor profile and an extra boost of nutrients.

If you’re looking to change up the cheese, consider using goat cheese or feta for a tangy twist. These cheeses melt beautifully and offer a unique taste that complements the other ingredients.

For those who prefer a different type of meat, chicken or turkey pepperoni can be a leaner option that still provides the satisfying pepperoni flavor you crave in a pizza dish.

Frequently Asked Questions

Q: Can I make this casserole ahead of time?
A: Absolutely! You can prepare the crust and add the toppings, then cover and refrigerate until you’re ready to bake. Just add a few extra minutes to the cooking time if baking from cold.

Q: Is this recipe suitable for freezing?
A: Yes, the Low Carb Pizza Casserole freezes well. Cool it completely, slice it, and store it in an airtight container. Reheat in the oven for best results.

Q: Can I use fresh cauliflower instead of riced?
A: Certainly! You can rice the cauliflower yourself using a food processor or grater. Ensure it’s finely riced to mimic the texture of traditional dough.

Q: How do I know when the casserole is done?
A: The cheese should be bubbly and slightly browned, and the edges of the casserole should be pulling away from the sides of the dish.

Q: Can I add extra toppings?
A: Definitely! Feel free to customize with your favorite keto-friendly toppings. Just be mindful of their carb content.

Low Carb Pizza Casserole

Indulge in the flavors of your favorite pizza without the carb overload. This Low Carb Pizza Casserole is a delectable blend of melted cheese, savory toppings, and a rich, herby tomato sauce layered over a satisfying cauliflower base. Perfect for keto enthusiasts and anyone looking for a healthier alternative to traditional pizza.
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Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Course Dinner
Cuisine Italian-Inspired
Servings 6 servings
Calories 320 kcal


  • Microwave
  • Mixing bowl
  • 9x13 inch casserole dish
  • Cheese grater


  • 1 medium cauliflower head about 2 pounds / 900 grams, riced
  • 1 cup mozzarella cheese shredded (4 ounces / 113 grams)
  • ½ cup Parmesan cheese grated (2 ounces / 56 grams)
  • 1 large egg
  • ½ tsp salt
  • ¼ tsp ground black pepper
  • 1 tsp garlic powder
  • 1 tsp Italian seasoning
  • 1 cup low-carb pizza sauce (8 ounces / 227 grams)
  • 1 cup cheddar cheese shredded (4 ounces / 113 grams)
  • ½ cup pepperoni slices cut into halves (2 ounces / 56 grams)
  • ½ cup bell pepper diced (2 ounces / 56 grams)
  • ½ cup onion diced (2 ounces / 56 grams)
  • ¼ cup black olives sliced (1 ounce / 28 grams)


  • Preheat the oven to 400°F (200°C).
  • Take the riced cauliflower and microwave it for 8 minutes, or until soft. Drain any excess moisture thoroughly.
  • In a mixing bowl, combine the cooked cauliflower, half of the mozzarella, Parmesan cheese, egg, salt, pepper, garlic powder, and Italian seasoning. Mix until well combined.
  • Press the cauliflower mixture into the bottom of a greased 9x13 inch (23x33 cm) casserole dish, creating an even layer.
  • Bake the crust in the preheated oven for 15 minutes, or until it starts to turn golden brown.
  • Remove the crust from the oven and spread the low-carb pizza sauce evenly over the top.
  • Sprinkle the remaining mozzarella cheese and cheddar cheese over the sauce.
  • Add the pepperoni, bell pepper, onion, and black olives on top of the cheese layer.
  • Return the casserole to the oven and bake for an additional 20 minutes, or until the cheese is bubbly and slightly browned.
  • Allow the casserole to rest for 5 minutes before slicing and serving.


For a vegetarian version, omit the pepperoni and add extra veggies like mushrooms or spinach.
This casserole can be customized with your favorite pizza toppings.
Leftovers can be stored in the refrigerator for up to 3 days and reheated in the oven or microwave.


Calories: 320kcalCarbohydrates: 12gProtein: 18gFat: 21gFiber: 5gNet Carbs: 7g
Keyword Cauliflower Pizza Casserole, Healthy Pizza Bake, Keto Casserole, keto pizza, Low Carb Pizza Casserole
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