Keto Pizza Casserole
As a busy mom of 3, I’m always looking for healthy dinner ideas that are effortless and that my kids will actually eat. So the fact that this recipe comes to gather so quickly and easily (and it has secret hidden veggies) is a dream come true for me!
Think classic cheesy pepperoni pizza, but made with healthy, lower carb ingredients. Layers of low-carb marinara sauce, diced veggies, Italian seasoning, pepperoni, and shredded mozzarella make the base of this casserole. The whole thing is topped off with parmesan cheese, then baked to perfection!
RELATED: 25+ High-Protein Low-Carb Dinner Ideas
Ingredients/Substitutions
The ingredients for this recipe are simple and easy to find. Feel free to adjust to your own taste and dietary needs!
- Cauliflower Florets – Fresh is best, as frozen could add too much water.
- Avocado Oil – Olive oil works great, too.
- Sliced Mushrooms
- Diced Bell Pepper – Any color is great!
- Seasoning – Dried basil, oregano, thyme, rosemary, and salt. Feel free to adjust to taste.
- Low-Carb Marinara Sauce – No sugar added is the best way to go!
- Uncured Pepperoni
- Shredded Mozzarella Cheese
- Grated Parmesan Cheese
TIP: Get so many of these ingredients and other healthy groceries at a discounted price on Thrive Market!
How to Make Low Carb Pizza Casserole
I love how quickly and easily this delicious casserole comes together! It’s truly perfect for busy weeknight. Here’s how to make Keto Pizza Casserole:
- Lightly steam the cauliflower, then drain and pat dry.
- Chop the cauliflower into very small florets (almost like cauliflower rice).
- Sauce the mushrooms, then combine with the cauliflower, diced bell pepper, and seasoning.
- Layer the casserole dish with marinara sauce, veggie mixture, pepperoni, and mozzarella.
- Repeat the layers, then add parmesan on top.
- Bake and enjoy!
TIP: After baking, let the casserole cool for about 10 minutes to allow the casserole base to thicken a bit.
Toppings/Variations
- Freshly Chopped Basil
- Toasted Pinenuts
- Mix in Italian Sausage, Ground Turkey, or Ground Beef
- Olives
- Cream Cheese
- Chopped Red Onions
You’ll Also Love: Chicken Shawarma Grain Bowls
How to Store Keto Pizza Bake
After letting the casserole cool, store leftovers in a glass airtight container (to prevent staining) and add a lid. Keep in the refrigerator for 3-5 days, or store in the freezer for up to 3 months!
To reheat, place it in the microwave and heat for a few minutes until evenly warm.
More like this Cauliflower Pizza (Keto)
- Low-Carb Mexican Meal Prep Bowls
- Mushroom Cauliflower Pizza
- Healthy Thai Chicken Lettuce Wraps
- The Best Cauliflower Fried Rice
- Spicy Southwest Salad Recipe (Chick-Fil-A Copycat)
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Cauliflower Pizza Casserole (Keto Recipe)
Equipment
Ingredients
- 4 cups cauliflower florets
- 1 Tablespoon avocado oil
- 8 ounces sliced mushrooms
- 1 medium bell pepper, diced
- 1/2 teaspoon dried basil
- 1/2 teaspoon dried oregano
- 1/4 teaspoon dried thyme
- 1/4 teaspoon dried rosemary
- 1 teaspoon salt
- 1 1/2 cups marinara sauce (low-carb/no sugar added)
- 2-3 ounces uncured pepperoni
- 2 cups shredded mozzarella
- 1/3 cup Parmesan cheese
Instructions
- Cover the cauliflower with about 1 inch of water and microwave for 90 seconds (or heat on the stovetop).
- Drain and pat dry.
- Chop into very small florets. It should look a bit more like cauliflower rice than florets.
- Preheat the oven to 400 degrees F.
- Heat the oil in a pan and saute the mushrooms for 5-7 minutes until softened.
- Combine the cauliflower, mushrooms, diced bell pepper, and seasoning in a bowl.
- Add a layer of the marinara sauce to the bottom of a baking dish.
- Add in half of the cauliflower mixture, then a layer of sauce, half the pepperoni, half the mozzarella.
- Add in the remaining cauliflower, followed by the sauce, cheese, and pepperoni.
- Add parmesan and bake for 30 minutes.
- Serve with fresh basil and enjoy!
Amy Liu Dong says:
I’ve tried this dish for my family and they really loved it! A perfect treat for any occasion. Totally loved it!
Nisha says:
The cauliflower pizza casserole looks so good and am sure it tastes awesome!