Roasted Cauliflower Pizza Casserole

Craving the comforting flavors of pizza without the carbs and guilt? This Roasted Cauliflower Pizza Casserole delivers all the cheesy, saucy goodness you love—in a healthier, veggie-packed format! Roasted cauliflower forms the base, layered with your favorite pizza toppings and bubbly melted cheese. It’s perfect for family dinners, low-carb meal prep, or a cozy weekend treat.

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Why You’ll Love This Recipe
Low-Carb & Gluten-Free – All the pizza flavor, none of the crust!
Easy to Customize – Add your favorite toppings and cheeses.
Roasted Flavor Depth – Cauliflower takes on a toasty, satisfying flavor.
Family-Friendly – Great way to sneak in veggies without complaints.
Meal Prep Friendly – Make ahead and reheat throughout the week.

Ingredients You’ll Need

For the Roasted Cauliflower Base:

• 1 large head cauliflower, cut into florets
• 2 tbsp olive oil
• 1/2 tsp salt
• 1/2 tsp black pepper
• 1/2 tsp garlic powder
• 1/2 tsp Italian seasoning

For the Pizza Sauce Layer:

• 1 cup marinara or pizza sauce (low-sugar preferred)
• 1/2 tsp dried oregano
• 1/2 tsp basil
• 1/4 tsp red pepper flakes (optional for heat)

For the Toppings:

• 1 1/2 cups shredded mozzarella cheese
• 1/4 cup grated Parmesan cheese
• 1/2 cup sliced black olives
• 1/2 cup sliced mushrooms
• 1/2 cup chopped bell peppers
• 1/2 cup cooked beef sausage or ground chicken
• 1/4 cup red onion, thinly sliced
• Fresh basil or parsley, for garnish

Tools You’ll Need

• Baking sheet
• Large mixing bowl
• 9×13-inch casserole dish
• Spatula or spoon
• Knife and cutting board

Step-by-Step Instructions

Step 1: Roast the Cauliflower

1. Preheat oven to 425°F (220°C).
2. Toss cauliflower florets in olive oil, salt, pepper, garlic powder, and Italian seasoning.
3. Spread on a baking sheet in a single layer.
4. Roast for 20-25 minutes until golden and tender, stirring halfway.
5. Remove and set aside.

Step 2: Prepare the Sauce and Toppings

1. In a small bowl, combine marinara sauce with oregano, basil, and red pepper flakes.
2. If using raw meats or toppings like mushrooms and onions, lightly sauté them until tender.

Step 3: Assemble the Casserole

1. Lower oven temperature to 375°F (190°C).
2. Lightly grease a 9×13-inch casserole dish.
3. Layer roasted cauliflower evenly across the bottom.
4. Pour the seasoned pizza sauce over the cauliflower.
5. Sprinkle half of the mozzarella and all the Parmesan cheese.
6. Add prepared toppings: mushrooms, olives, peppers, onions, and cooked sausage.
7. Top with the remaining mozzarella cheese.

Step 4: Bake the Casserole

1. Bake uncovered for 20-25 minutes, or until the cheese is melted and bubbly.
2. Broil for an additional 2-3 minutes for a golden, slightly crispy top.
3. Remove from oven and let rest for 5 minutes.

Step 5: Garnish and Serve

1. Sprinkle chopped fresh basil or parsley over the top.
2. Slice and serve hot—just like your favorite deep-dish pizza!

Tips for the Best Casserole
Roast the Cauliflower – It adds depth and prevents a watery casserole.
Season Well – Boosts the veggie base with bold pizza flavor.
Pre-Cook Toppings – Especially mushrooms and sausage to avoid excess moisture.
Use Quality Sauce – A rich, low-sugar pizza sauce brings everything together.

Serving Suggestions
Mixed Greens Salad – A light, crisp contrast to the cheesy dish.
Garlic Zucchini Noodles – Adds a pasta vibe without the carbs.
Sparkling Water or Iced Tea – Refreshing and helps cut the richness.
Crusty Bread – For those not counting carbs, perfect for scooping.

How to Store & Reheat

Storing:

• Refrigerate: Store in an airtight container for up to 4 days.
• Freeze: Freeze portions in airtight containers for up to 2 months.

Reheating:

• Oven: Reheat at 350°F for 15 minutes until heated through.
• Microwave: Heat in 1-minute intervals, covered loosely.

Frequently Asked Questions

1. Can I use frozen cauliflower?
   Yes, just thaw and drain well before roasting to avoid sogginess.
2. Is this recipe keto-friendly?
   Yes! It’s low in carbs and high in healthy fats and protein.
3. Can I make it vegetarian?
   Absolutely—just skip the sausage or use a plant-based version.
4. What other toppings work well?
   Try sun-dried tomatoes, artichokes, or pepperoncini for variety.

Final Thoughts
This Roasted Cauliflower Pizza Casserole is the ultimate fusion of comfort food and clean eating. It’s everything you love about pizza—cheesy, saucy, savory—minus the heavy crust. Whether you’re looking to eat low-carb, sneak in more veggies, or simply enjoy a delicious twist on a classic, this recipe is a surefire winner.

Try it out and let me know what you think! Don’t forget to leave a review below and share your photos on Pinterest! I can’t wait to see how your dish turns out.
Preparation Time: 20 minutes
Cooking Time: 25 minutes
Cuisine: American

Nutritional Information (Per Serving):
Calories: 280 | Protein: 18g | Carbohydrates: 10g | Fat: 19g | Fiber: 3g | Sodium: 500mg

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