Ultimate Baked Pizza Casserole

If you love pizza and cheesy pasta, get ready for your new favorite comfort food. This Ultimate Baked Pizza Casserole combines tender pasta, savory Italian sausage, pepperoni, rich marinara sauce, and plenty of gooey melted cheese in one delicious oven-baked dish.

It has all the flavors you love about pizza but is easier to make and perfect for feeding a hungry family. The pasta soaks up the flavorful sauce while the cheese melts into every bite, creating a bubbly, golden topping that makes this casserole impossible to resist.

Whether you need an easy weeknight dinner, a meal for a crowd, or a cozy dish for the weekend, this pizza casserole is always a winner.

Why You’ll Love This Pizza Casserole

This recipe takes everything great about pizza and turns it into an easy baked casserole.

You get chewy pasta, rich tomato sauce, browned sausage, salty pepperoni, Italian seasoning, and layers of melted mozzarella. The result is hearty, cheesy, flavorful, and incredibly satisfying.

Here’s why it’s perfect for busy families:

• Easy to prepare
• Uses simple ingredients
• Great for weeknight dinners
• Family-friendly
• Easy to customize
• Excellent for leftovers
• Freezer-friendly
• Packed with cheesy pizza flavor

Ingredients You’ll Need

For the Casserole

• 1 pound penne or rotini pasta
• 1 pound Italian sausage
• 1 cup sliced pepperoni
• 1 small onion, diced
• 2 cloves garlic, minced
• 24 ounces marinara or pizza sauce
• 1 teaspoon Italian seasoning
• ½ teaspoon garlic powder
• ½ teaspoon black pepper
• 2 cups shredded mozzarella cheese
• ½ cup shredded Parmesan cheese
• ½ cup sliced pepperoni for topping
• 2 tablespoons chopped fresh parsley, optional

You can easily adjust the toppings based on your favorite pizza flavors.

How to Make Ultimate Baked Pizza Casserole

Step 1: Cook the Pasta

Preheat your oven to 375°F (190°C).

Bring a large pot of salted water to a boil.

Cook the pasta according to the package directions until it is al dente.

Avoid overcooking the pasta because it will continue cooking in the oven.

Once cooked, drain the pasta well and set it aside.

Step 2: Brown the Sausage

Heat a large skillet over medium-high heat.

Add the Italian sausage and cook until browned and fully cooked, breaking it into small pieces as it cooks.

Add the diced onion and cook for approximately 3–4 minutes, until softened.

Add the minced garlic and cook for another 30 seconds until fragrant.

Drain any excess grease if necessary.

Step 3: Add the Sauce and Seasonings

Reduce the heat to medium-low.

Add the marinara or pizza sauce to the skillet.

Stir in the Italian seasoning, garlic powder, and black pepper.

Add the cooked pasta and stir everything together until the pasta is thoroughly coated in the sauce.

Fold in about half of the sliced pepperoni.

The mixture should be rich, saucy, and packed with pizza flavor.

Step 4: Layer the Casserole

Lightly grease a 9×13-inch baking dish.

Pour half of the pasta mixture into the dish and spread it evenly.

Sprinkle half of the mozzarella and Parmesan cheese over the pasta.

Add the remaining pasta mixture.

Top with the remaining mozzarella and Parmesan.

Arrange the remaining pepperoni slices over the cheese.

This creates a beautiful pizza-style topping that becomes golden and bubbly as it bakes.

Step 5: Bake

Cover the casserole loosely with aluminum foil and bake for approximately 20 minutes.

Remove the foil and continue baking for another 10–15 minutes, or until the cheese is completely melted and bubbling.

For an extra golden top, turn on the broiler for the final 1–2 minutes.

Watch carefully because cheese can burn quickly under the broiler.

Remove the casserole from the oven and allow it to rest for about 5–10 minutes before serving.

Garnish with fresh parsley if desired.

The Best Pasta for Pizza Casserole

Several pasta shapes work beautifully in this recipe.

Penne is a classic choice because the sauce gets trapped inside the tubes.

Rotini is excellent because its spiral shape holds onto plenty of sauce and cheese.

Rigatoni makes the casserole especially hearty.

You can also use ziti, bow ties, or shells.

The most important thing is to cook the pasta just until al dente so it doesn’t become mushy after baking.

Best Cheese for Pizza Casserole

Mozzarella is the star because it melts beautifully and creates that classic stretchy pizza-cheese texture.

Parmesan adds a salty, nutty flavor that makes the casserole even more delicious.

For extra flavor, you can also add:

• Provolone
• Cheddar
• Monterey Jack
• Fontina
• Colby Jack
• Pepper Jack

A combination of mozzarella and Parmesan gives you a great balance of meltiness and flavor.

Easy Pizza Casserole Variations

One of the best things about this recipe is how customizable it is.

Supreme Pizza Casserole

Add diced bell peppers, mushrooms, black olives, and onions for a supreme pizza-inspired casserole.

Meat Lover’s Casserole

Add cooked bacon, ham, ground beef, and extra pepperoni along with the Italian sausage.

Hawaiian Pizza Casserole

Add diced ham and pineapple for a sweet-and-savory combination.

Veggie Pizza Casserole

Skip the meat and add mushrooms, peppers, onions, spinach, tomatoes, and olives.

Spicy Pizza Casserole

Use hot Italian sausage and add banana peppers or crushed red pepper flakes.

Extra Cheesy Pizza Casserole

Add another layer of mozzarella throughout the casserole for an ultra-cheesy result.

Tips for the Best Baked Pizza Casserole

Don’t Overcook the Pasta

Cook it until al dente. The pasta will continue cooking while the casserole bakes.

Use Enough Sauce

Pasta absorbs sauce during baking, so don’t be afraid to use a generous amount. A saucy casserole will stay moist and flavorful.

Drain Excess Grease

If your sausage or pepperoni releases a lot of grease, drain some of it before adding the sauce.

Let It Rest

Allowing the casserole to rest for a few minutes makes it easier to serve and gives the cheese time to settle.

Broil Carefully

If you want an extra-golden cheese topping, broil briefly at the end. Keep a close eye on it.

What to Serve With Pizza Casserole

This casserole is filling enough to serve on its own, but a few simple sides can complete the meal.

Try serving it with:

• Garlic bread
• Caesar salad
• Garden salad
• Roasted vegetables
• Steamed broccoli
• Garlic knots
• Antipasto salad

A crisp salad is especially delicious alongside the rich, cheesy casserole.

How to Store Leftovers

Allow leftover casserole to cool before transferring it to an airtight container.

Store it in the refrigerator for up to 3–4 days.

Reheat individual portions in the microwave or warm larger portions in the oven until heated through.

The flavors often become even better the next day, making this an excellent meal-prep option.

Can You Freeze Pizza Casserole?

Yes!

Prepare the casserole as directed, but consider freezing it before baking for the best texture.

Cover the dish tightly with plastic wrap followed by aluminum foil and freeze.

When ready to bake, thaw it in the refrigerator and bake according to the recipe, adding additional cooking time if necessary.

You can also freeze individual cooked portions for quick lunches or dinners.

Frequently Asked Questions

Can I use jarred pizza sauce?

Absolutely. Marinara sauce, pizza sauce, or your favorite tomato pasta sauce can all work.

Can I make this casserole without sausage?

Yes. Simply leave out the sausage and add extra vegetables or another favorite pizza topping.

Can I use ground beef instead?

Definitely. Browned ground beef is a delicious substitute for Italian sausage.

Can I make it ahead of time?

Yes. Assemble the casserole, cover it, and refrigerate it until you’re ready to bake. Add a few extra minutes to the baking time if the casserole is cold from the refrigerator.

How do I prevent the casserole from becoming dry?

Make sure there is plenty of sauce and avoid overcooking the pasta before baking.

Final Thoughts

This Ultimate Baked Pizza Casserole is everything you want in a comfort-food dinner: cheesy, saucy, hearty, flavorful, and incredibly easy to make.

With tender pasta, Italian sausage, pepperoni, marinara sauce, and plenty of melted mozzarella, every forkful tastes like your favorite pizza transformed into a cozy baked casserole.

It’s also incredibly flexible, so you can load it up with your favorite pizza toppings and make it your own. Serve it with warm garlic bread and a fresh salad for a complete family dinner that everyone will be excited to eat.

One dish, tons of pizza flavor, and plenty of cheesy goodness—this is a casserole worth making again and again!