Keto Cauliflower Pizza Casserole
If you’re looking for a delicious and easy weeknight dinner that everyone will love, you’ve come to the right place! This Keto Cauliflower Pizza Casserole is not only a fantastic way to enjoy pizza flavors in a healthier format, but it also makes for a hearty meal that’s perfect for busy evenings or family gatherings. With just a handful of simple ingredients, you can whip up this comforting dish that feels indulgent without all the carbs.
What I adore about this recipe is how versatile it is. Whether you’re feeding picky eaters or looking for something to satisfy your pizza cravings without compromising your health goals, this casserole delivers every time. Plus, it’s quick to prepare, so you can spend more time enjoying the meal with your loved ones.
Why You’ll Love This Recipe
- Quick Preparation: This casserole comes together in no time, making it ideal for those hectic weeknights.
- Family-Friendly: Everyone will enjoy digging into this cheesy, flavorful dish—kids and adults alike!
- Low Carb Delight: Perfect for those following a keto lifestyle, this recipe keeps your carbohydrate intake low while being packed with flavor.
- One-Dish Wonder: Say goodbye to tons of dirty dishes! Everything cooks in one baking dish for easy cleanup.
- Customizable Toppings: Get creative! You can customize toppings based on what you have on hand or personal preferences.

Ingredients You’ll Need
Making this Keto Cauliflower Pizza Casserole is a breeze with these wholesome ingredients. They are not only simple but also packed with flavor!
For the Main Dish
- 1 large head of cauliflower (cut into small florets)
- 2 tbsp olive oil
- 1 (24oz) jar marinara sauce
- 2 cups shredded mozzarella cheese
- Salt, pepper, garlic powder, & Italian seasoning to taste
- Turkey pepperoni (or toppings of choice)
Variations
This recipe is wonderfully flexible! Here are a few ideas to make it your own:
- Change the Veggies: Swap out cauliflower for broccoli or zucchini for different flavors and textures.
- Add More Cheese: Experiment with different types of cheese like provolone or cheddar to switch things up.
- Go Meatless: Use sliced bell peppers or mushrooms instead of turkey pepperoni for a vegetarian option.
- Spice It Up: Add red pepper flakes or diced jalapeños if you like a little heat in your casserole.
How to Make Keto Cauliflower Pizza Casserole
Step 1: Preheat the Oven
Start by preheating your oven to 425 degrees. A hot oven is key for roasting the cauliflower perfectly and ensuring that it gets nice and golden.
Step 2: Prepare the Cauliflower
In a 9×13 baking dish, place the cauliflower florets and drizzle them with olive oil. Season with salt, pepper, and garlic powder. Toss everything together until each piece is well coated; this step enhances the flavor as the cauliflower roasts.
Step 3: Bake the Cauliflower
Spread the seasoned cauliflower in an even layer on the bottom of your dish. Bake in the preheated oven for about 20-25 minutes or until it starts turning slightly brown. This roasting brings out its natural sweetness and gives it a delightful texture.
Step 4: Add Marinara and Cheese
Once the cauliflower is roasted, take it out of the oven and spoon marinara sauce evenly over the top. Sprinkle shredded mozzarella cheese generously along with Italian seasoning. The cheese will melt beautifully as it bakes again!
Step 5: Top It Off
Add turkey pepperoni or any other toppings you’ve chosen. Feel free to get creative here; more veggies or extra cheese can make this casserole even more delicious!
Step 6: Final Bake
Return the casserole to the oven and bake for an additional 12-15 minutes or until the cheese is melted and golden. Watching that cheese bubble up is one of my favorite parts—it’s pure comfort food magic!
And there you have it—a warm, cheesy Keto Cauliflower Pizza Casserole ready to be enjoyed by all!
Pro Tips for Making Keto Cauliflower Pizza Casserole
Creating the perfect Keto Cauliflower Pizza Casserole is a breeze with a few handy tips!
- Choose fresh cauliflower: Fresh florets yield a better texture and flavor. Look for firm, white heads without any brown spots for the best results.
- Don’t skip the seasoning: Seasoning your cauliflower before baking enhances the overall taste of the dish. The simple combination of salt, pepper, garlic powder, and Italian seasoning will elevate your casserole to delicious heights!
- Layer wisely: Make sure to evenly distribute your marinara sauce and cheese across the casserole. This ensures every bite is bursting with flavor and gooey goodness.
- Experiment with toppings: While turkey pepperoni is great, feel free to mix things up! Try adding bell peppers, olives, or even spinach for extra flavor and nutrition.
- Let it cool slightly before serving: Allowing the casserole to sit for a few minutes after baking helps it set up nicely, making it easier to slice and serve.
How to Serve Keto Cauliflower Pizza Casserole
Serving this delightful casserole can be as fun as preparing it! Here are some ideas to present your dish beautifully.
Garnishes
- Fresh basil: A sprinkle of fresh basil leaves adds a pop of color and enhances the Italian flavor profile of your casserole.
- Red pepper flakes: If you like a little heat, top your dish with red pepper flakes for a spicy kick that complements the rich flavors.
- Grated Parmesan cheese: A light dusting of grated Parmesan just before serving can add an extra layer of savory goodness.
Side Dishes
- Simple green salad: A fresh salad with mixed greens, cherry tomatoes, and a light vinaigrette pairs perfectly with the hearty casserole, adding crispness to every bite.
- Steamed broccoli: Lightly steamed broccoli not only complements the dish but also boosts its nutritional value while keeping things low-carb.
- Garlic butter zucchini noodles: For an extra dose of veggies, spiralize some zucchini and sauté them in garlic butter. They make a delightful side that aligns perfectly with your keto meal plan.
- Cauliflower rice: For those who can’t get enough cauliflower, serve it alongside your casserole as a fluffy base that soaks up those delicious flavors.
Enjoy your cooking adventure with this Keto Cauliflower Pizza Casserole! It’s bound to be a hit at your dinner table.

Make Ahead and Storage
This Keto Cauliflower Pizza Casserole is perfect for meal prep, making it easy to enjoy delicious, healthy meals throughout the week. You can prepare it in advance or store leftovers for busy days when cooking feels overwhelming.
Storing Leftovers
- Allow the casserole to cool completely at room temperature.
- Transfer any leftovers into an airtight container.
- Store in the refrigerator for up to 3-4 days.
Freezing
- Cool the casserole completely before freezing.
- Cut into individual portions and wrap tightly in plastic wrap or foil.
- Place wrapped portions in a freezer-safe bag or container. It can be stored for up to 2-3 months.
Reheating
- Thaw overnight in the refrigerator if frozen.
- To reheat, place individual portions in the microwave for 1-2 minutes or until heated through.
- For oven reheating, preheat to 350 degrees and bake for about 10-15 minutes until warmed thoroughly.
FAQs
Here are some common questions about the Keto Cauliflower Pizza Casserole that you might find helpful!
Can I use other vegetables in my Keto Cauliflower Pizza Casserole?
Absolutely! Feel free to add your favorite low-carb veggies like bell peppers, mushrooms, or spinach for extra flavor and nutrition.
How do I make my Keto Cauliflower Pizza Casserole spicier?
To spice things up, consider adding crushed red pepper flakes or diced jalapeños to your marinara sauce before layering it over the cauliflower.
What makes this Keto Cauliflower Pizza Casserole family-friendly?
The combination of cheesy goodness and pizza flavors makes this dish appealing to both kids and adults alike, ensuring everyone at the dinner table enjoys it.
Can I prep my Keto Cauliflower Pizza Casserole ahead of time?
Yes! This casserole can be assembled a day ahead and stored in the fridge until you’re ready to bake it. It’s an excellent option for busy weeknights!
Final Thoughts
I truly hope you enjoy making this Keto Cauliflower Pizza Casserole as much as I do! It’s not only a delightful dish that’s easy on your waistline but also a fantastic way to bring the family together around a comforting meal. So gather your loved ones, whip up this casserole, and savor every cheesy bite. Happy cooking!
Keto Cauliflower Pizza Casserole
Looking for a delicious dinner that the whole family will love? This Keto Cauliflower Pizza Casserole is your answer! Packed with all the flavors of traditional pizza but without the carbs, this easy-to-make casserole is perfect for busy weeknights or family gatherings. Made with fresh cauliflower, savory marinara sauce, and gooey mozzarella cheese, it’s not only satisfying but also healthy. Plus, with its customizable toppings, you can tailor it to suit everyone’s preferences. Gather your loved ones around this comforting dish and enjoy every cheesy bite together!
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Total Time: 55 minutes
- Yield: Serves 8
- Category: Main
- Method: Baking
- Cuisine: Italian
Ingredients
- 1 large head of cauliflower (cut into small florets)
- 2 tbsp olive oil
- 1 (24oz) jar marinara sauce
- 2 cups shredded mozzarella cheese
- Salt, pepper, garlic powder, and Italian seasoning to taste
- Turkey turkey turkey pepperoni (or toppings of choice)
Instructions
- Preheat your oven to 425 degrees F.
- In a 9×13 baking dish, toss cauliflower florets with olive oil and seasonings until evenly coated.
- Roast the cauliflower for 20-25 minutes until golden brown.
- Remove from oven and layer marinara sauce over the roasted cauliflower.
- Sprinkle mozzarella cheese and add turkey turkey turkey pepperoni or preferred toppings.
- Bake for an additional 12-15 minutes until cheese is melted and bubbly.
Nutrition
- Serving Size: 1/8 casserole (about 150g)
- Calories: 250
- Sugar: 6g
- Sodium: 500mg
- Fat: 18g
- Saturated Fat: 7g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 10g
- Fiber: 4g
- Protein: 15g
- Cholesterol: 30mg
