Introduction
Craving homemade pizza but want something easier than making individual pizzas? This easy Supreme Pizza Casserole brings all your favorite pizza flavors together in one hearty, cheesy baked dish.
Loaded with gooey mozzarella, pepperoni, Italian sausage, ham, black olives, bell peppers, onions, and juicy tomatoes, it is a comforting family dinner that tastes like your favorite pizza night.
This easy casserole recipe is perfect for busy weeknights, family dinners, game-day meals, or anyone looking for a budget-friendly comfort food recipe with plenty of flavor.
Recipe Overview
| Recipe Detail | Information |
| Prep Time | 20 minutes |
| Cook Time | 30–35 minutes |
| Total Time | About 55 minutes |
| Servings | 8 servings |
| Difficulty | Easy |
| Course | Main Dish |
| Cuisine | American-Italian |
| Oven Temperature | 375°F (190°C) |
| Best For | Family dinner, meal prep, pizza night |
Why You’ll Love This Recipe
This Supreme Pizza Casserole gives you everything you love about a loaded pizza without the need to stretch dough or prepare individual pizzas.
The combination of seasoned meat, tomato sauce, melted cheese, and colorful vegetables creates a rich and satisfying dinner that the whole family can enjoy.
It is also incredibly customizable. You can easily change the toppings based on what you already have in your refrigerator.
For busy families, this is an excellent easy dinner recipe because most of the preparation can be completed in advance.
Ingredients
Main Ingredients
| Ingredient | Amount |
| Rotini or penne pasta | 12 oz |
| Pizza sauce | 3 cups |
| Shredded mozzarella cheese | 3 cups |
| Parmesan cheese | ½ cup |
| Olive oil | 1 tbsp |
Meat and Pizza Toppings
| Ingredient | Amount |
| Italian sausage, cooked and crumbled | 8 oz |
| Pepperoni, sliced | 5 oz |
| Deli ham, cut into pieces | 4 oz |
| Black olives, sliced | ½ cup |
| Green bell pepper, diced | ½ cup |
| Yellow or white onion, diced | ½ cup |
| Cherry tomatoes, halved | 1 cup |
Seasonings
| Ingredient | Amount |
| Italian seasoning | 1 tsp |
| Garlic powder | ½ tsp |
| Red pepper flakes | ¼ tsp, optional |
| Salt | ½ tsp |
| Black pepper | ¼ tsp |
Step-by-Step Instructions
Cook the Pasta
Bring a large pot of salted water to a boil.
Cook the pasta according to the package directions until just al dente. Avoid overcooking because the pasta will continue cooking in the oven.
Drain the pasta well and set it aside.
Prepare the Meat
Heat a large skillet over medium heat.
Add the Italian sausage and cook for about 6–8 minutes, breaking it into small pieces as it cooks.
Continue cooking until the sausage is fully browned and cooked through.
Drain excess grease if necessary.
Sauté the Vegetables
Add the olive oil to the skillet.
Add the diced onion and green bell pepper.
Cook for about 3–4 minutes, just until the vegetables begin to soften.
Stir in the garlic powder, Italian seasoning, black pepper, and red pepper flakes if using.
Combine the Casserole
Preheat your oven to 375°F (190°C).
In a large bowl, combine the cooked pasta, pizza sauce, cooked sausage, onion, and bell pepper.
Add about 1½ cups of shredded mozzarella and half of the Parmesan cheese.
Stir gently until everything is evenly coated.
Assemble
Lightly grease a 9 × 13-inch baking dish.
Transfer the pasta mixture into the dish and spread it into an even layer.
Top with the remaining mozzarella cheese.
Arrange the pepperoni, ham, black olives, and cherry tomatoes evenly across the surface.
Sprinkle the remaining Parmesan cheese over the top.
Bake
Cover the casserole loosely with aluminum foil.
Bake for 20 minutes.
Remove the foil and continue baking for another 10–15 minutes, or until the cheese is completely melted and bubbling around the edges.
For a more golden, bubbly cheese topping, place the casserole under the broiler for 1–2 minutes at the end.
Watch it carefully because the cheese can brown quickly.
Rest and Serve
Remove the casserole from the oven and let it rest for 5–10 minutes.
This short resting time allows the cheese and sauce to settle, making the casserole easier to serve.
Garnish with fresh parsley or a little extra Parmesan if desired.
Best Tips
Cook the pasta only until al dente. Slightly firm pasta holds its texture much better after baking.
For the best flavor, use a good-quality pizza sauce or marinara sauce with Italian herbs.
Do not overload the casserole with too many wet toppings. Excess moisture can make the finished dish watery.
Spread the toppings evenly so every serving gets plenty of meat, vegetables, cheese, and sauce.
Let the casserole rest before slicing or serving. This helps everything stay together on the plate.
Best Ingredient Options
Pasta
Rotini, penne, rigatoni, or ziti all work beautifully. Short pasta shapes are especially good because they hold onto the pizza sauce.
Cheese
Mozzarella provides the classic stretchy pizza texture. For extra flavor, combine mozzarella with Parmesan and a little provolone.
Meat
Italian sausage adds a rich, savory flavor, while pepperoni gives the casserole its classic pizza taste.
You can also use cooked ground beef, turkey sausage, or leftover shredded chicken.
Vegetables
Green bell peppers, onions, black olives, and tomatoes create a classic supreme-pizza combination.
Mushrooms, banana peppers, spinach, or roasted red peppers are also excellent additions.
Recipe Variations
Pepperoni Pizza Casserole
Keep things simple by using extra pepperoni, mozzarella, and pizza sauce.
Meat Lovers Pizza Casserole
Add cooked bacon, Italian sausage, pepperoni, ham, and ground beef for a hearty meat-lovers version.
Vegetarian Pizza Casserole
Skip the meat and add mushrooms, bell peppers, onions, olives, spinach, and extra tomatoes.
Spicy Pizza Casserole
Add crushed red pepper flakes, sliced jalapeños, and spicy Italian sausage for extra heat.
Low-Carb Version
Replace the pasta with roasted cauliflower or zucchini for a vegetable-based pizza casserole.
What to Serve With
Serve this pizza casserole with a crisp green salad for a fresh contrast to the rich cheese and savory toppings.
Garlic bread is another delicious option for soaking up the flavorful tomato sauce.
For a lighter meal, pair it with steamed broccoli, roasted vegetables, or a simple cucumber salad.
Make-Ahead Instructions
You can assemble the casserole up to 24 hours before baking.
Prepare the pasta and filling as directed, then transfer everything to the baking dish.
Cover tightly and refrigerate.
When ready to bake, allow the casserole to sit at room temperature for about 15–20 minutes while the oven preheats.
Because the casserole starts cold, you may need to add approximately 5–10 minutes to the baking time.
Storage
Allow leftovers to cool before transferring them to an airtight container.
Refrigerate for up to 4 days.
For convenient meal prep, divide the casserole into individual portions before refrigerating.
Reheating
For individual portions, microwave for 1–2 minutes, stirring or rotating halfway through.
For the best texture, reheat larger portions in a 350°F (175°C) oven until hot and bubbly.
Cover with foil while reheating to prevent the cheese from becoming too dry.
Freezing
This casserole can be frozen before or after baking.
For best results, assemble the casserole without baking it, cover it tightly, and freeze for up to 2 months.
Thaw overnight in the refrigerator before baking.
You can also freeze fully cooked leftovers in individual freezer-safe containers.
Common Mistakes to Avoid
Overcooking the Pasta
Very soft pasta can become mushy during baking. Always cook it until al dente.
Adding Too Much Sauce
A generous amount of sauce is important, but too much can make the casserole watery.
Using Too Many Wet Toppings
Fresh vegetables release moisture as they cook. Drain olives well and avoid adding excessive amounts of watery ingredients.
Skipping the Resting Time
Serving the casserole immediately can make it difficult to portion neatly. A short resting period gives the ingredients time to set.
Burning the Cheese
If using the broiler, keep a close eye on the casserole. The cheese can go from perfectly golden to burnt very quickly.
Nutrition Estimate
| Nutrient | Approximate Amount Per Serving |
| Calories | 520 kcal |
| Protein | 27 g |
| Carbohydrates | 42 g |
| Fat | 28 g |
| Saturated Fat | 11 g |
| Fiber | 3 g |
| Sugar | 7 g |
| Sodium | 1,180 mg |
| Calcium | 330 mg |
Nutrition information is an estimate and can vary depending on the brands and exact ingredients used.
Frequently Asked Questions
Can I use a different type of pasta?
Yes. Penne, rotini, rigatoni, ziti, and bow-tie pasta all work well.
Can I make this casserole without sausage?
Absolutely. You can replace the sausage with ground beef, turkey, chicken, or additional vegetables.
Can I use store-bought pizza sauce?
Yes. Store-bought pizza sauce is a convenient option and works perfectly for this easy casserole recipe.
Can I add mushrooms?
Yes. Sliced mushrooms are an excellent addition. For better texture, sauté them briefly before adding them to the casserole.
How do I make the cheese extra crispy?
Remove the foil during the final 10–15 minutes of baking. You can also broil the casserole for 1–2 minutes at the end.
Can I prepare this recipe ahead of time?
Yes. Assemble it up to 24 hours ahead and keep it covered in the refrigerator until you are ready to bake.
Can I freeze pizza casserole?
Yes. It freezes well for up to 2 months when properly wrapped and stored in a freezer-safe container.
Final Thoughts
This easy Supreme Pizza Casserole is the perfect combination of comfort food, homemade pizza flavor, and simple family-friendly cooking.
With tender pasta, rich pizza sauce, savory meats, colorful vegetables, and plenty of melted mozzarella, every bite is packed with satisfying flavor.
Whether you need an easy weeknight dinner, a make-ahead meal, or a delicious comfort food recipe for a family gathering, this cheesy pizza casserole is a recipe worth adding to your regular dinner rotation.
For the best results, keep the pasta al dente, use plenty of mozzarella, distribute the toppings evenly, and allow the casserole to rest before serving.