The Hearty Pizza Casserole Pie Recipe is a delightful blend of all the classic pizza favorites transformed into a comforting casserole pie that you can enjoy any time. This dish delivers layers of savory sausage, melty mozzarella, vibrant veggies, and zesty pizza sauce wrapped in a flaky crust that makes every bite feel like a warm hug on a plate. If you love the essence of pizza but want something a bit more substantial and shareable, this recipe is an absolute must-try. It’s perfect for family dinners, potlucks, or a cozy night when you crave that hearty, cheesy goodness in a fresh, fun format.

Ingredients You’ll Need
Gathering the right ingredients is key to nailing the perfect Hearty Pizza Casserole Pie Recipe. Each item contributes its own layer of flavor, texture, and color, turning simple pantry staples into a spectacular meal that everyone will rave about.
- Refrigerated pie crusts (or homemade pie dough): Provides a buttery, flaky base that holds all the delicious fillings perfectly.
- Olive oil: Used to sauté and add a subtle richness while keeping the veggies tender and flavorful.
- Onion, chopped: Adds sweetness and depth when softened.
- Garlic, minced: Brings aromatic warmth that wakes up every bite.
- Ground sausage or Italian sausage, casing removed: The hearty protein star delivering savory, spiced goodness.
- Pizza sauce: The tangy tomato base that ties the whole casserole together with classic pizza flavor.
- Mozzarella cheese, shredded: Melts beautifully to create that irresistible gooey texture we all crave.
- Pepperoni slices: Adds spiced, crispy accents and a pop of color.
- Bell peppers, diced: Introduces a sweet crunch and vibrant color contrast.
- Mushrooms, sliced: Lend earthiness and subtle umami to balance the richness.
- Italian seasoning: The aromatic blend that unites all the flavors in a classic Italian harmony.
- Salt and pepper to taste: Essential seasonings that bring out all the flavors beautifully.
- Extra mozzarella cheese for topping: Creates a bubbly, golden cheesy crust on top.
- Additional pepperoni slices for topping: Offers an inviting, crispy finish that’s irresistible.
How to Make Hearty Pizza Casserole Pie Recipe
Step 1: Prepare the Crust
Start by preheating your oven to 375°F (190°C). Roll out your pie crust and fit it snugly into a deep pie dish. Brushing the crust with olive oil before pre-baking helps develop a gorgeous golden color and prevents sogginess, so bake it for about 8 minutes. This step sets a sturdy, flaky foundation for the filling to come.
Step 2: Sauté the Aromatics
In a large skillet, heat olive oil over medium heat and toss in the chopped onion and minced garlic. Sauté until they become translucent and fragrant, releasing a sweet and savory aroma that’s the perfect base for our hearty filling.
Step 3: Cook the Sausage
Add the ground sausage to the skillet and brown it until crumbly and thoroughly cooked. This step is crucial because the browned bits add a deep savory flavor, and draining excess fat keeps the casserole from becoming greasy.
Step 4: Combine Filling Ingredients
Stir in the pizza sauce, shredded mozzarella, pepperoni slices, diced bell peppers, sliced mushrooms, Italian seasoning, salt, and pepper. Let everything cook together until the cheese softens and the mixture melds into a rich, hearty filling that’s bursting with classic pizza flavors.
Step 5: Assemble the Pie
Pour the sausage and veggie mixture into your pre-baked pie crust, spreading it out evenly to ensure every slice is loaded with flavor. Sprinkle extra mozzarella cheese and arrange additional pepperoni slices on top to create a bubbly, golden cheesy crown for the casserole pie.
Step 6: Add the Top Crust (Optional)
If you like, cover with a second layer of pie crust, pinching and sealing the edges carefully. Be sure to cut small slits in the top to allow steam to escape, keeping the crust crisp and preventing sogginess during baking.
Step 7: Bake Until Golden
Pop your assembled pie into the oven and bake for 25 to 30 minutes, or until the crust turns a beautiful golden brown and the filling bubbles happily underneath. This is where all your hard work comes together in a delightful, warm masterpiece.
Step 8: Cool and Serve
Let the Hearty Pizza Casserole Pie Recipe cool for a few minutes before slicing to let the filling set slightly and avoid any oozing. This little pause ensures every slice holds together beautifully and tastes even better.
How to Serve Hearty Pizza Casserole Pie Recipe

Garnishes
Fresh garnishes like chopped basil or a sprinkle of grated Parmesan add a fresh, bright contrast to the rich, cheesy pie. A dash of red pepper flakes can also give it an exciting kick if you like a bit of heat in your dishes.
Side Dishes
This casserole pie is perfectly complemented by a crisp green salad with a light vinaigrette to balance all the rich flavors. You might also serve it alongside roasted garlic bread or a bowl of your favorite soup for a cozy, complete meal.
Creative Ways to Present
Try serving individual portions in mini pie dishes for a fun, shareable dinner party twist, or pair it with a colorful antipasto platter for an eye-catching Italian-inspired feast. It’s a versatile dish that looks as good as it tastes.
Make Ahead and Storage
Storing Leftovers
Once cooled, wrap leftovers tightly in plastic wrap or store in an airtight container and refrigerate for up to 3 days. Reheated slices often taste even better as the flavors have time to meld.
Freezing
This pizza casserole pie freezes wonderfully. Wrap tightly with plastic and foil or freeze in a freezer-safe container, then keep for up to 2 months. For best texture after freezing, thaw overnight in the fridge before reheating.
Reheating
Reheat in a preheated oven at 350°F (175°C) until warmed through and the crust regains some crispness, about 15 to 20 minutes. Microwaving works in a pinch but can make the crust softer, so the oven method is preferred.
FAQs
Can I use different meats in this Hearty Pizza Casserole Pie Recipe?
Absolutely! Ground beef, turkey, or even a plant-based sausage alternative all work beautifully. Just adjust cooking times according to the meat used and your preference.
Is it possible to make this recipe vegetarian?
Yes! Simply omit the sausage and pepperoni, and load up on extra vegetables like zucchini, olives, and artichoke hearts to keep that hearty, flavorful vibe intact.
Do I have to use two pie crusts?
Not at all. You can enjoy this casserole with just a bottom crust for a more rustic look or add a top crust if you want that classic pie presentation. Both taste incredible!
Can I prepare the filling ahead of time?
Definitely! You can make the filling a day in advance and store it in the fridge. Just assemble and bake the pie when ready to eat—it’s a real time-saver.
What can I do if I don’t have a deep pie dish?
No worries! Use a regular pie pan or a small casserole dish. Just keep an eye on the baking time as it might vary slightly depending on the depth and size of your dish.
Final Thoughts
There is something so wonderfully satisfying about combining all the beloved flavors of pizza into a warm, hearty casserole pie. This Hearty Pizza Casserole Pie Recipe brings comfort, ease, and crowd-pleasing magic to any table, making it a fantastic addition to your recipe collection. Give it a whirl and watch how quickly this delicious dish becomes a family favorite—you won’t regret treating yourself and your loved ones to this cozy, cheesy masterpiece!
Print
Hearty Pizza Casserole Pie Recipe
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Total Time: 55 minutes
- Yield: 6 servings
- Category: Casserole
- Method: Baking
- Cuisine: Italian-American
Description
Hearty Pizza Casserole Pie is a comforting and savory dish combining a flaky pie crust with a rich, cheesy pizza-style filling featuring sausage, pepperoni, and fresh vegetables. This casserole-style pie offers all the flavors of a classic pizza in a convenient, sliceable format perfect for family meals or gatherings.
Ingredients
Crust
- 1 package refrigerated pie crusts (or homemade pie dough)
- 1 tablespoon olive oil (for brushing)
Filling
- 1 tablespoon olive oil
- 1/2 onion, chopped
- 2 cloves garlic, minced
- 1 pound ground sausage or Italian sausage, casing removed
- 1 cup pizza sauce
- 1 cup mozzarella cheese, shredded
- 1/2 cup pepperoni slices
- 1/2 cup bell peppers, diced
- 1/2 cup mushrooms, sliced
- 1 teaspoon Italian seasoning
- Salt and pepper to taste
Toppings
- Extra mozzarella cheese for topping
- Additional pepperoni slices for topping
Instructions
- Prepare the Crust: Preheat your oven to 375°F (190°C). Roll out the pie crust and fit it into a deep pie dish. Brush the crust with olive oil. Pre-bake the crust for about 8 minutes, then remove from the oven and set aside.
- Make the Filling: In a large skillet, heat olive oil over medium heat. Add chopped onion and minced garlic, sautéing until translucent and fragrant.
- Cook the Sausage: Add the ground sausage or Italian sausage to the skillet. Cook until browned and crumbly, then drain any excess fat to avoid greasiness.
- Combine Ingredients: Stir in the pizza sauce, shredded mozzarella cheese, pepperoni slices, diced bell peppers, sliced mushrooms, Italian seasoning, salt, and pepper. Cook the mixture until well combined and the cheese begins to melt, creating a cohesive filling.
- Assemble the Pie: Spoon the warm filling evenly into the pre-baked pie crust. Top with extra mozzarella cheese and additional pepperoni slices for a classic pizza finish.
- Cover Optional: If desired, cover the pie with another layer of pie crust, seal the edges by pressing firmly, and cut slits into the top crust to allow steam to escape during baking.
- Bake: Place the assembled pie in the preheated oven and bake for 25 to 30 minutes, or until the crust is golden brown and the filling is bubbly and hot.
- Cool and Serve: Remove the pie from the oven and let it cool for a few minutes before slicing and serving, allowing the filling to set slightly.
Notes
- You can customize the topping vegetables to your preference; olives and onions also work well.
- For a spicier version, add crushed red pepper flakes or use spicy Italian sausage.
- If using homemade pie dough, ensure it is chilled before rolling out for best results.
- Pre-baking the crust prevents a soggy bottom and ensures a crisp texture.
- Leftovers can be refrigerated for 3-4 days and reheated in the oven for best texture.

