Pepperoni Pizza Casserole Recipe (Easy, Cheesy & Family-Friendly)
If you love classic pepperoni pizza but want something easier, heartier, and perfect for feeding a crowd, this Pepperoni Pizza Casserole Recipe is about to become your new go-to dinner. Loaded with melty cheese, bold tomato sauce, savory pepperoni, and comforting pasta, this casserole delivers all the flavors of pizza night—without the fuss of rolling dough.
Whether you’re planning a busy weeknight meal, potluck dish, or freezer-friendly dinner, this pizza casserole checks every box. Plus, I’ll show you how to make gluten-free, keto, air fryer, and sourdough versions, so everyone at the table can enjoy it.
Why You’ll Love This Pepperoni Pizza Casserole
- 🍕 Tastes just like pepperoni pizza
- 🧀 Ultra-cheesy and satisfying
- ⏱ Ready in under 45 minutes
- 👨👩👧👦 Kid-approved and crowd-friendly
- ❄ Freezer-friendly and meal-prep ready
- 🔄 Easy to customize for dietary needs
This casserole is comfort food at its best—simple ingredients, big flavors, and minimal prep.
Ingredients for Pepperoni Pizza Casserole
Main Ingredients
- 12 ounces pasta (penne, rotini, or ziti)
- 2 cups pizza sauce or marinara sauce
- 2 cups shredded mozzarella cheese
- ½ cup shredded provolone or cheddar cheese (optional)
- 1½ cups sliced pepperoni
- 1 teaspoon Italian seasoning
- ½ teaspoon garlic powder
- ½ teaspoon onion powder
- Salt and black pepper, to taste
- ¼ cup grated Parmesan cheese
Optional Toppings
- Black olives
- Bell peppers
- Mushrooms
- Red onions
- Jalapeños
How to Make Pepperoni Pizza Casserole (Step-by-Step)
Step 1: Preheat the Oven
Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
Step 2: Cook the Pasta
Boil pasta according to package instructions until al dente. Drain well—excess water can make the casserole soggy.
Step 3: Mix the Base
In a large bowl, combine:
- Cooked pasta
- Pizza sauce
- Italian seasoning
- Garlic powder
- Onion powder
- Salt and pepper
Stir until evenly coated.
Step 4: Add Cheese & Pepperoni
Mix in half of the mozzarella cheese and half of the pepperoni.
Step 5: Assemble the Casserole
Transfer the mixture into the prepared baking dish. Spread evenly.
Step 6: Add Toppings
Top with:
- Remaining mozzarella
- Provolone or cheddar (if using)
- Remaining pepperoni
- Optional vegetables
- Parmesan cheese
Step 7: Bake
Bake uncovered for 25–30 minutes, until bubbly and golden.
Step 8: Rest & Serve
Let the casserole rest for 5 minutes before slicing. Garnish with fresh basil or parsley.
Nutrition Information (Per Serving – Approximate)
| Nutrient | Amount |
|---|---|
| Calories | 420 kcal |
| Protein | 20 g |
| Fat | 22 g |
| Carbohydrates | 35 g |
| Fiber | 3 g |
| Sugar | 6 g |
| Sodium | 980 mg |
Values vary based on cheese, sauce, and pasta used.
Gluten-Free Pepperoni Pizza Casserole
Making this dish gluten-free is incredibly easy.
Gluten-Free Substitutions
- Use gluten-free pasta (rice, chickpea, or lentil pasta works well)
- Ensure your pepperoni and pizza sauce are certified gluten-free
Tips
- Cook gluten-free pasta just until al dente
- Rinse lightly to remove excess starch
Result: Same cheesy, pizza flavor—100% gluten-free.
Keto Pepperoni Pizza Casserole (Low-Carb)
This version skips the pasta but keeps all the pizza flavor.
Keto Ingredients
- 4 cups cauliflower florets (steamed and well-drained)
- 2 cups low-carb pizza sauce
- 2½ cups shredded mozzarella
- Pepperoni slices
- Italian seasoning
Instructions
- Steam cauliflower and squeeze out excess moisture.
- Mix with sauce, seasoning, half the cheese, and pepperoni.
- Top with remaining cheese and bake at 375°F for 25 minutes.
Keto Nutrition (Approx.)
- Calories: 350
- Net Carbs: 6–8 g
- Fat: High
- Protein: Moderate
Perfect for low-carb and keto lifestyles.
Air Fryer Pepperoni Pizza Casserole
Yes—you can make pizza casserole in the air fryer!
How to Do It
- Assemble casserole in an air fryer-safe dish
- Air fry at 350°F (175°C) for 12–15 minutes
- Cover loosely with foil if browning too fast
Best For
- Small households
- Quick dinners
- Reheating leftovers (comes out crispy and cheesy!)
Sourdough Pepperoni Pizza Casserole
This version adds rich, tangy flavor using sourdough discard or sourdough pasta.
Sourdough Options
- Use sourdough pasta
- OR mix ½ cup sourdough discard into the pizza sauce
- OR add toasted sourdough bread cubes as a base layer
Flavor Boost
Sourdough adds depth, improves digestibility, and pairs beautifully with cheese and pepperoni.
Make-Ahead & Freezer Instructions
Make-Ahead
- Assemble the casserole
- Cover tightly
- Refrigerate for up to 24 hours
- Bake when ready
Freezing
- Freeze unbaked or baked casserole
- Wrap tightly in foil
- Freeze up to 3 months
- Thaw overnight before reheating
What to Serve with Pepperoni Pizza Casserole
- Garlic bread or cheesy breadsticks
- Fresh green salad with Italian dressing
- Roasted vegetables
- Steamed broccoli or zucchini
Pepperoni Pizza Casserole FAQs
Can I use different meats?
Yes! Try cooked sausage, bacon, ham, or ground beef.
Can I make it vegetarian?
Absolutely—skip pepperoni and load up on vegetables.
How do I store leftovers?
Store in an airtight container in the refrigerator for up to 4 days.
Can I reheat it?
Yes! Reheat in the oven at 350°F or in the air fryer for best texture.
Is this casserole kid-friendly?
Very! You can reduce seasoning and stick to classic cheese and pepperoni.
Can I use homemade pizza sauce?
Yes—homemade sauce works beautifully and enhances flavor.
Final Thoughts
This Pepperoni Pizza Casserole Recipe is everything you love about pizza—baked into a comforting, shareable dish that’s easy to customize. Whether you prefer classic, gluten-free, keto, air fryer, or sourdough, this recipe adapts effortlessly to your needs.