Hi, I’m Samad, the guy behind Easy Meals to Cook at Home. When my family gathers around the table for a warm, comforting dish like Crock Pot Pizza Casserole, it’s more than just dinner it’s connection. Inspired by cozy nights, book-filled afternoons, and belly laughs with my kids, this slow-cooked classic hits the mark every time. My kids literally come running when they smell it cooking. And honestly? Adults love it just as much. Whether you’re cooking for a crowd or meal-prepping for the week, this is a recipe you’ll keep coming back to.

Table of Contents
What is Crock Pot Pizza Casserole?
Crock Pot Pizza Casserole is the comfort food mashup of your dreams. Imagine this: al dente penne pasta, rich marinara sauce, seasoned ground beef, spicy pepperoni, and gooey mozzarella cheese all slow-cooked together for that pizza-meets-pasta magic. It’s hearty, flavorful, and best of all, easy to make. This dish brings all the classic pizza flavors into a single, hands-free meal with minimal cleanup.
You get the nostalgia of pizza night and the coziness of a casserole, all from your slow cooker. Whether you’re making it for a weeknight dinner, a family potluck, or a game-day gathering, it fits just right.
Why It’s a Family Favorite

At my house, Crock Pot Pizza Casserole isn’t just dinner it’s an event. The kids grab their plates before it even hits the table. There’s something about the savory aroma of pepperoni, tomatoes, and cheese wafting from the slow cooker that makes everyone hungry.
Why do we love it so much?
- It’s simple: Toss the ingredients in the Crock Pot, and you’re free for the day.
- It’s satisfying: It checks all the comfort food boxes cheesy, saucy, meaty, and filling.
- It’s budget-friendly: Much cheaper than delivery, especially when feeding a crowd.
- It’s versatile: You can switch up the toppings and ingredients to please any eater.
Ingredients for the Perfect Crock Pot Pizza Casserole
Essential Ingredients You’ll Need

Making a delicious Crock Pot Pizza Casserole starts with quality ingredients. The beauty of this dish lies in its simplicity each ingredient contributes bold, comforting flavors that combine beautifully in the slow cooker.
Here’s what you’ll need:
Ingredient | Purpose |
---|---|
Penne Pasta | Acts as the hearty base regular, whole wheat, or gluten-free all work well. |
Lean Ground Beef | Adds savory depth; use 90/10 or 85/15 for less grease. |
Yellow Onion & Garlic | Delivers rich, aromatic flavor to the meat and sauce. |
Marinara Sauce (2 jars) | The tomato base for that classic pizza taste. |
Diced Tomatoes | Adds texture and slight sweetness; fire-roasted works great too. |
Italian Seasoning | A key flavor profile herby, slightly peppery, and totally “pizza.” |
Shredded Mozzarella | The melty, gooey topping that makes this dish irresistible. |
Pepperoni | Infuses the casserole with smoky, spicy richness. |
Optional Add-ins:
- Black olives, mushrooms, bell peppers, spinach, or jalapeños.
- Red pepper flakes for heat.
- Parmesan or provolone for extra cheesiness.
Ingredient Substitutions and Healthier Options
One reason this pizza casserole is on repeat in my kitchen is how customizable it is. Whether you’re feeding picky kids or adjusting for food sensitivities, here are some smart swaps:
- Pasta Alternatives: Try rotini or gluten-free penne. Cauliflower pasta is a solid low-carb substitute.
- Beef Replacements: Use ground turkey or chicken for a lighter version. You can even swap in plant-based crumbles for a vegetarian take.
- Cheese Swaps: While mozzarella is the go-to, mixing in ricotta, provolone, or even gouda can elevate the flavor.
- Dairy-Free: Look for dairy-free mozzarella shreds there are plenty of options that melt well.
- Low-Sodium Marinara: Helps keep things heart-healthier without sacrificing taste.
Want to go vegetarian? Ditch the meat and double up on mushrooms, onions, olives, and bell peppers for a veggie-lovers pizza casserole that still satisfies.
Step-by-Step Recipe Instructions
Prepping Ingredients for Maximum Flavor
Making a flavorful Crock Pot Pizza Casserole starts before the slow cooker even gets turned on. Each step of prep builds a rich, satisfying taste that makes this dish unforgettable.

- Cook the Pasta Just Right
Start by boiling your pasta penne is best until it’s al dente. That means it should still have a firm bite. Since the pasta continues cooking in the slow cooker, you don’t want it soft from the start. Drain it and set it aside for later. - Brown the Ground Beef and Onions
In a skillet, combine lean ground beef with chopped yellow onion. Cook over medium-high heat until the meat is browned and the onion is tender. This step gives your pizza casserole in the Crock Pot a deep, savory base flavor. Drain off any extra grease to keep the casserole from becoming oily. - Prepare the Sauce in Your Crock Pot
Now it’s time to build your flavor foundation. In a 6-quart slow cooker, stir together:- 2 jars of marinara sauce
- 1 can of diced tomatoes
- 2 cloves of minced garlic
- 1 tablespoon of Italian seasoning
This mixture gives your Crock Pot Pizza Casserole that bold, tomato-rich taste you’d expect from your favorite pizza.
- Use Nonstick Spray or a Liner
A quick spray of nonstick cooking spray or using a Crock Pot liner saves you cleanup time later and prevents the casserole from sticking to the sides.
Layering for Texture and Taste
This is where your Crock Pot Pizza Casserole really starts to come together. Layering ensures that each bite is full of melty cheese, saucy pasta, and pepperoni goodness.
- Add Pasta and Beef to the Sauce
Pour the pasta and cooked ground beef into the marinara mixture in the Crock Pot. Stir well. Then, mix in 1 cup of shredded mozzarella cheese and most of the pepperoni slices saving a few for topping later. - Cook Low and Slow
Cover and cook your slow cooker pizza casserole on low for 3–4 hours. This long simmer is key to letting all the ingredients blend together into that classic “pizza-meets-pasta” flavor. - Final Cheese & Pepperoni Layer
About 10–15 minutes before serving, sprinkle the remaining mozzarella on top, then layer the rest of the pepperoni slices. Cover the slow cooker again and let the cheese melt completely. You’ll get a delicious cheesy topping that pulls everything together. - Serve Hot with Garnishes
When it’s ready, scoop the casserole into bowls and top it with fresh parsley or grated Parmesan. You can even add crushed red pepper flakes if you like a little heat.
This easy Crock Pot Pizza Casserole recipe is perfect for busy nights, family dinners, or even potlucks. It’s a full meal on its own, but pairing it with a side salad and garlic bread makes it feel like something truly special.
Tips for the Best Crock Pot Pizza Casserole
How to Prevent Overcooking or Dry Texture
When making a Crock Pot Pizza Casserole, texture is everything. You want tender pasta, saucy richness, and gooey cheese—not a dry or soggy mess. Here’s how to get that perfect consistency every time.
- Undercook Your Pasta Slightly
Cook your penne until just al dente. Why? Because your pasta will continue to soften during the long hours in the slow cooker. If it’s fully cooked beforehand, it’ll become mushy in your Crock Pot Pizza Casserole. - Cook It Low and Slow Only
Set your slow cooker to low. Cooking on high might sound tempting, especially when you’re in a rush, but it can overcook the cheese and dry out your sauce. Trust the process—this Crock Pot Pizza Casserole thrives on slow, gentle heat. - Don’t Skimp on the Sauce
Your pasta will soak up sauce while cooking, so be generous. Using two full jars of marinara plus diced tomatoes is non-negotiable. If your sauce looks too thick going in, feel free to stir in a little water. This guarantees your Crock Pot Pizza Casserole stays moist and flavorful. - Lid Closed = Success
Every time you lift the lid, you let out precious heat and moisture. Resist the urge. Keep it sealed until you’re ready to add the final cheese layer. That way, your pizza casserole cooks evenly from top to bottom. - Use a Crock Pot Liner
A liner or a generous spray of nonstick cooking spray will prevent sticking, burning, and a sticky cleanup. It’s a must for any Crock Pot Pizza Casserole cook.
Looking for inspiration? Try our Crockpot Chicken Spaghetti, another hearty comfort dish perfect for the whole family.
Making Ahead and Storage Instructions
Can You Make Crock Pot Pizza Casserole Ahead of Time?
Absolutely! One of the best parts about Crock Pot Pizza Casserole is how well it works for meal prep. Whether you’re prepping dinner the night before or doubling the recipe for leftovers, this dish holds up beautifully.
Here are three easy ways to prepare in advance:
- Prep and Refrigerate the Night Before:
- Cook your pasta and brown the meat.
- Store all components (pasta, meat, cheese, sauce) in airtight containers in the fridge.
- In the morning, layer everything into your Crock Pot and turn it on low. You’ll come home to a warm, comforting meal.
- Assemble the Full Casserole Uncooked:
- Layer all ingredients into the insert of your slow cooker.
- Cover and refrigerate overnight.
- In the morning, place the insert into your Crock Pot base and cook as directed.
- Freeze Before Cooking:
- Combine everything (except the pasta) in a large freezer-safe bag.
- Label it, lay it flat, and freeze.
- Thaw in the fridge overnight, then cook in the Crock Pot as usual with freshly boiled pasta.
These methods make Crock Pot Pizza Casserole an ideal choice for busy weeknights, family dinners, or bringing to a friend in need.
Storage, Freezing, and Reheating Tips
Finished your casserole and wondering what to do with leftovers? Don’t worry Crock Pot Pizza Casserole stores and reheats like a dream.
Storing in the Fridge:
- Let the casserole cool completely.
- Transfer it to an airtight container and store it in the refrigerator for up to 3–4 days.
- For best results, reheat individual portions so the pasta stays firm.
Freezing Instructions:
- Allow your cooked pizza casserole to cool fully.
- Scoop it into freezer-safe containers or heavy-duty bags.
- Flatten for quicker freezing and easier stacking.
- Label and date use within 2 to 3 months for best flavor.
Reheating Tips:
- Microwave: Heat individual portions in 30-second intervals, stirring between each.
- Oven: Place in a baking dish, cover with foil, and heat at 350°F for 20–25 minutes.
- Stovetop: Add a splash of water or marinara to a pan and warm gently over medium heat, stirring occasionally.
To maintain the best texture, avoid reheating multiple times. Only warm what you need.
Bonus Meal Prep Tip
Want to make your life even easier? Divide the full batch of Crock Pot Pizza Casserole into individual containers before refrigerating or freezing. That way, you’ve got ready-to-go lunches or quick dinners without any extra effort.
This dish isn’t just a one-night wonder it’s a reliable, freezer-friendly favorite that feeds your family today and saves your sanity later in the week.
Serving Suggestions and Side Dishes

One of the best things about Crock Pot Pizza Casserole besides how simple and delicious it is is how easy it is to pair with other favorites. Whether you’re planning a weeknight dinner, a weekend get-together, or a potluck party, the right sides and toppings take this dish to the next level.
What to Serve with Crock Pot Pizza Casserole
To balance the cheesy richness of this pizza-inspired pasta bake, serve it with lighter, fresher, or crustier options. Here are some ideal pairings:
- Garlic Bread or Breadsticks
Nothing sops up cheesy sauce better than a piece of warm, buttery garlic bread. Want to take it up a notch? Sprinkle shredded Parmesan and a pinch of Italian seasoning over the top before baking. - Caesar Salad
The crisp romaine, creamy dressing, and crunch of croutons provide the perfect contrast to your savory Crock Pot Pizza Casserole. Add shaved Parmesan or anchovies for a restaurant-style touch. - Simple Garden Salad
Toss together mixed greens, cherry tomatoes, cucumbers, red onion, and vinaigrette. It’s a fresh counterbalance to the heaviness of the casserole. - Roasted Vegetables
Serve with a side of roasted zucchini, asparagus, or bell peppers. Their slight caramelization brings out natural sweetness and adds a healthy element to your meal. - Antipasto Platter
Going for an Italian-themed spread? Serve with cured meats, cheeses, olives, marinated artichokes, and crusty bread for an unforgettable meal.
Kid-Friendly and Party-Ready Ideas
This Crock Pot Pizza Casserole isn’t just great for family meals—it’s a guaranteed hit at gatherings and celebrations too. Here’s how to make it shine in those settings:
- Serve in Individual Bowls or Cups
For birthday parties or potlucks, dish the casserole into small ramekins or paper cups. It’s fun, mess-free, and easy for guests to carry. - Make It a Pizza Bar
Serve the base casserole, and set out bowls of toppings like olives, mushrooms, crushed red pepper, green onions, and extra cheese. Let everyone customize their plate. - Double the Batch for a Crowd
Feeding a big group? This recipe scales well. You can make a double batch in a larger slow cooker or run two at once. Use different toppings in each for variety. - Pair With Fun Drinks
Serve with sparkling lemonade, root beer floats for kids, or a glass of red wine or Italian soda for adults. The flavors complement the boldness of the casserole beautifully.
Leftover Serving Ideas
Can’t finish it all in one night? Leftover Crock Pot Pizza Casserole makes amazing lunches. Here are a few ways to remix your next-day servings:
- Pizza Casserole Wraps
Wrap warmed leftovers in a flour tortilla with some extra mozzarella and bake until crispy. - Stuffed Bell Peppers
Scoop leftovers into halved bell peppers, top with cheese, and bake at 375°F until hot and bubbly. - Baked Pasta Muffins
Spoon leftovers into a muffin tin, top with cheese, and bake until golden brown. A fun way to repurpose food for lunchboxes!
Conclusion: Why Crock Pot Pizza Casserole Deserves a Spot on Your Dinner Table
There’s a reason Crock Pot Pizza Casserole has become a go-to recipe for so many families it’s everything we love about pizza and pasta, all in one cozy, slow-cooked dish. It’s warm, cheesy, and hearty enough to satisfy the pickiest eaters or the hungriest guests. But what truly makes this dish shine is its versatility and simplicity.
Whether you’re planning for a busy weeknight, hosting a casual get-together, or prepping meals for the freezer, this casserole is your best friend. You can customize it to fit almost any diet, prep it ahead of time, and count on everyone coming back for seconds.
And for me, it’s more than just food. It’s comfort, it’s connection, and it’s home. Recipes like this are why I started Easy Meals to Cook at Home. They’re meant to bring people together around the table, no matter what life throws at us.
Thanks for being here and happy slow cooking.
FAQs About Crock Pot Pizza Casserole
Before we wrap things up, let’s address a few of the most common questions home cooks have when making Crock Pot Pizza Casserole. These are answers you’ll want to bookmark, especially if you’re cooking for a crowd or trying this recipe for the first time.
Can I Make This in the Oven Instead of the Crock Pot?
Yes! While this dish is made for slow cookers, you can absolutely bake it in the oven if you’re short on time or prefer a crispier topping.
Here’s how:
Preheat your oven to 375°F.
Layer all the ingredients in a greased 9×13-inch casserole dish.
Cover with foil and bake for 20–25 minutes.
Remove foil, add remaining cheese and pepperoni on top, and bake uncovered for an additional 10–15 minutes until bubbly and golden.
You won’t get that long-simmered flavor from the slow cooker, but the oven version of this pizza casserole is still full of flavor and perf
Can I Make This Recipe Ahead of Time?
Absolutely Crock Pot Pizza Casserole is a great meal prep option. You can prep all the ingredients ahead (cooked pasta, browned meat, shredded cheese, and sauce), store them in airtight containers, and keep them in the fridge up to 24 hours in advance.
When you’re ready to cook:
Layer everything into the Crock Pot.
Set it on low for 3–4 hours.
Add your final cheese layer 15 minutes before serving.
Alternatively, you can assemble the whole dish in the insert the night before, refrigerate it, and just start the slow cooker in the mo
How Can I Make the Pizza Casserole Less Saucy?
If your Crock Pot Pizza Casserole turned out a bit too wet or runny, here are a few ways to fix and prevent it:
Use Less Sauce: Try reducing the marinara slightly 1½ jars instead of 2 and go easy on added tomato liquid.
Drain Tomatoes Well: If using canned diced tomatoes, pour off excess liquid before mixing them into the sauce.
Add Cheese Gradually: Cheese helps absorb excess moisture. Stir in extra shredded mozzarella halfway through cooking if things look too thin.
Let It Rest: After cooking, allow your casserole to sit for 10 minutes. This allows the pasta to absorb excess sauce and helps the dish firm up before serving.
Remember, slow cookers don’t evaporate liquid like ovens do, so it’s totally normal for this casserole to have a softer consistency. It’s still rich, cheesy, and delicious.
RECIPE

Crock Pot Pizza Casserole
Equipment
- Slow Cooker
- Slow-Cooker Liners
Ingredients
- 1 lb penne pasta
- 1 lb lean ground beef
- 1 small yellow onion diced
- 2 24 oz jars marinara sauce
- 1 14.5 oz can diced tomatoes
- 3 tsp garlic minced
- 1 tsp Italian seasoning
- 1 tsp black pepper
- 2 cups mozzarella cheese shredded and divided
- 3.5 oz pepperoni
Instructions
- Cook penne pasta to al dente per directions on the package. Drain and set aside.
- While the pasta is cooking, add ground beef and onion to a large skillet over medium-high heat. Cook until hamburger is browned and onions are soft. Drain off excess grease and set aside.
- In a 6-quart slow cooker, add marinara sauce, diced tomatoes, garlic, Italian seasoning, and black pepper. Mix until well combined.
- Add pasta, ground beef mixture, 1 cup of mozzarella cheese, and pepperoni to the slow cooker. Mix until well combined.
- Cover and cook on low for 3-4 hours. When the pizza casserole is done cooking, top with the remaining cheese and continue to cook until melted.
- Garnish with fresh parsley and enjoy!
Notes
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