Easy Weeknight Pizza Casserole

I made this easy pizza casserole last Tuesday and I’m honestly just relieved it worked because I was too tired to deal with a flop. It’s pasta with ground beef and sausage and pepperoni all baked together under a thick layer of mozzarella.

Why You’ll Love This Recipe

• It’s done in 40 minutes start to finish
• You get two kinds of meat plus pepperoni which sounds excessive but it’s really not
• The cream of mushroom soup thickens everything so it doesn’t get watery like other pasta bakes I’ve tried
• You can mix it all in one pot after browning the meat
• Leftovers reheat without getting dry or separating
• Kids actually eat this without complaining which is saying something

The Story Behind This Recipe

I needed something between pizza and pasta that I could make on a weeknight without ordering takeout again. My usual cheesy casserole rotation was getting old and I had Italian sausage thawing in the fridge that I forgot about.

So I just started throwing things together. The cream of mushroom soup was a last-minute addition because the sauce looked too thin and I didn’t want a soupy mess. Turns out that’s the thing that makes it work—it binds everything and gives it this cohesive texture instead of just pasta floating in sauce.

Now I make it whenever I’m too brain-dead to think of something else and it takes care of itself in the oven while I sit down for ten minutes.

What You Need

1 pound of pasta—I used rotini because it holds onto the sauce better than penne and the twists catch bits of meat. Any short pasta works though. Just don’t use spaghetti or anything long because it’s a pain to scoop out of the casserole dish later.

You need 1 pound ground beef and 1 pound Italian sausage. I went with the mild sausage because my kid doesn’t do spicy but use hot if that’s your thing. The sausage adds way more flavor than just beef alone and the fat from both keeps this easy pasta bake from drying out in the oven.

1 medium onion gets diced up with 2 cloves of garlic. Don’t skip the onion even if you think you don’t like it—it cooks down into nothing and just adds this background sweetness that balances the meat.

For the sauce you need 1 (24-ounce) jar of pizza sauce and 1 (15-ounce) can of cream of mushroom soup that you don’t dilute. The soup is what I already mentioned—it’s the binder. Without it the whole thing’s just wet pasta.

1 1/2 cups Italian cheese blend goes into the sauce mixture, then you need 1 cup sliced pepperoni and 3 cups shredded mozzarella for the top. That’s a lot of cheese but this is a cheesy casserole so just accept it. You’ll also want salt and nonstick spray for the dish.

How to Make Easy Weeknight Pizza Casserole

Get a big pot of salted water going and boil your pasta. Cook it exactly how the package says until it’s al dente—don’t undercook thinking it’ll finish in the oven because it won’t really soften more once it’s mixed with everything. Drain it well and put it back in the pot while it’s still hot so it stays loose.

Turn your oven to 350°F now so it’s ready when you are. Spray a 9×13-inch casserole dish with nonstick spray and set it aside.

Brown the ground beef and Italian sausage together in a hot skillet with the diced onion. Break it up as it cooks—I use a wooden spoon but a potato masher works faster if you want smaller crumbles. When there’s no pink left and the onion’s soft, add your minced garlic and let it cook for just 1 minute. It smells really good at this point. Drain off the grease in the sink or into a can you’re throwing out anyway.

Put the skillet back on medium heat and dump in the pizza sauce, the whole can of cream of mushroom soup without adding any water, the pepperoni slices, and 1 1/2 cups of that Italian cheese blend. Stir it all together until the cheese melts into the sauce and it gets thick and clingy. This takes maybe 3 minutes.

Pour the meat sauce into your pot of pasta and fold it together with a big spoon until every piece of pasta has sauce on it. Taste it now and add salt if it needs it—mine needed a good pinch because the sausage wasn’t salty enough on its own. Spread the whole mixture into your prepared casserole dish and make it level so it bakes evenly.

Cover the top with all 3 cups of shredded mozzarella. Don’t hold back here. Put it in the oven uncovered and bake for 20 minutes until the cheese melts and starts bubbling and gets those brown spots on top. When you pull it out the edges should be bubbling up the sides of the dish.

One thing I noticed—the casserole looks done before it actually is. The cheese melts fast but the inside needs the full 20 minutes to heat through properly. If you pull it early the center’s just warm instead of hot and it doesn’t have that cohesive texture where everything holds together on your fork.

What I Did Wrong the First Time

I added the garlic way too early with the raw meat and onion and it burned before the beef was even cooked through. The whole kitchen smelled like scorched garlic which is not the same as roasted garlic, it’s just bitter and weird.

Now I wait until the meat’s done and add it at the very end for just 1 minute. It still gets cooked and fragrant but it doesn’t turn into those little brown bitter specks that ruin every bite they end up in.

Easy Weeknight Pizza Casserole

By Emma

Prep:

20 min

Cook:

20 min

Total:

40 min

Servings:

6 servings

Ingredients

• 1 pound pasta
• 1 pound ground beef
• 1 pound Italian sausage
• 1 medium onion, diced
• 2 cloves garlic, minced
• 1 (24-ounce) jar pizza sauce
• 1 (15-ounce) can cream of mushroom soup, undiluted
• 1 1/2 cups Italian cheese blend
• 1 cup sliced pepperoni
• 3 cups shredded mozzarella cheese
• Salt, to taste
• Nonstick cooking spray

Method

1. 1 Set a large pot of salted water on the stove and bring it to a boil. Add the pasta and cook exactly as the package directs until al dente. Drain well and dump the pasta back into the pot while still hot.
2. 2 Heat your oven to 350°F and coat a 9×13-inch casserole dish with nonstick spray so the casserole doesn’t cling to the sides during baking.
3. 3 Throw the ground beef, Italian sausage, and chopped onion into a hot skillet. Stir and crumble until no pink remains. When the beef changes color and the onion softens, add minced garlic and cook for just 1 minute more to release its aroma before draining the grease thoroughly.
4. 4 Back in that skillet, toss in the pizza sauce, the undiluted cream of mushroom soup, the pepperoni slices, and 1 1/2 cups of Italian cheese blend. Stir constantly until everything melds into a thick, savory mixture that clings to the meat.
5. 5 Add the hot meat mixture to your pot of drained pasta. Fold everything together gently but thoroughly. Taste and sprinkle in salt as needed—the savory base can vary, so trust your palate.
6. 6 Transfer this combined mixture into the prepared casserole dish, spreading it evenly for uniform baking and melting.
7. 7 Pile the shredded mozzarella cheese across the top in a generous, even layer. This creates the bubbling, golden crown after baking.
8. 8 Slide the casserole uncovered into the 350°F oven. Let it bake for 20 minutes or until the cheese on top has melted fully and bubbles with a lightly browned surface, signaling it’s ready to come out.

Nutritional information

Calories

835

Protein

40g

Carbs

70g

Fat

45g

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Tips for the Best Pizza Casserole

Don’t drain your pasta and then let it sit. When pasta cools down it clumps into a brick and the sauce won’t coat it evenly. I learned this when I got distracted answering a text and came back to a solid mass of rotini that I had to break apart with my hands.

The pepperoni releases oil into the sauce while it bakes which sounds gross but it actually keeps the top layer of cheese from drying out. If you use turkey pepperoni it won’t do this and you’ll get a drier casserole overall.

Let it sit for 5 minutes after you pull it from the oven before you try to scoop portions out. I know it’s tempting to dig in right away but the cheese and sauce need that time to set up or your first serving just slides apart into a puddle on the plate.

When you fold the meat sauce into the pasta do it while both are still hot. Cold pasta won’t absorb any of the sauce and you end up with dry noodles mixed with wet meat instead of everything being coated together.

The casserole dish matters more than I thought it would. A metal pan makes the edges get too brown and crispy while the center’s barely warm. Glass or ceramic gives you that even bake where everything heats at the same rate.

Serving Ideas

I put garlic bread on the side but honestly it’s overkill because this easy pasta bake is already so heavy. A plain green salad with Italian dressing cuts through all that cheese better.

Ranch dressing for dipping works if you have kids who refuse to eat things without dunking them in something. My daughter will eat twice as much if there’s ranch involved.

Crushed red pepper flakes on top add heat without having to make a whole separate spicy version. Just put them on the table and people can add their own.

Variations

You can swap both meats for ground turkey but you’ll need to add a tablespoon of olive oil to the skillet because turkey’s so lean it sticks and burns. The flavor’s lighter and less rich which some people prefer but I think it tastes like diet pizza casserole.

Leave out the pepperoni and add a diced bell pepper with the onions if you want more vegetables involved. The pepper adds some crunch and sweetness that plays well with the tomato sauce but it also adds moisture so your bake might be slightly wetter.

Use penne instead of rotini if that’s what you’ve got. It works fine but the sauce doesn’t cling as well so you get pockets of plain pasta here and there instead of everything being evenly sauced.

Half the mozzarella on top and add the other half mixed into the pasta before baking. This gives you cheese throughout instead of just on top but you lose some of that browned cheese crust which is honestly the best part so I don’t do it anymore.

FAQ

Can I use a different pasta shape for this pizza casserole? Yeah any short pasta works. I’ve done bowtie, shells, and even elbow macaroni when that’s all I had. Just avoid long pasta like spaghetti because it’s a mess to serve and doesn’t hold the sauce right.

Do I have to use cream of mushroom soup or can I substitute something else? You need something thick to bind it or the whole thing gets watery. Cream of chicken works the same way. I tried tomato soup once thinking it’d be more pizza-like but it made everything too thin and acidic.

Can I make this cheesy casserole ahead of time? Assemble it completely up to the point where you’d put it in the oven, then cover it tight with foil and refrigerate for up to 24 hours. Add 10 extra minutes to the bake time since it’s going in cold.

How long do leftovers last in the fridge? 4 days in an airtight container. After that the pasta starts getting mushy and weird and the cheese separates when you reheat it.

What’s the best way to reheat leftovers without drying them out? Microwave with a damp paper towel over the top for 2 minutes. The steam keeps it from getting crusty. Oven reheating at 350°F works too but takes 15 minutes and dries out the edges.

Can I freeze this after baking? Yeah it freezes fine for up to 3 months. Let it cool completely first, then wrap the whole dish in plastic wrap and then foil. Thaw in the fridge overnight before reheating.

Do I really need both ground beef and Italian sausage? You could do 2 pounds of just one but the sausage adds seasoning and fat that ground beef alone doesn’t have. Without it you’ll need to add Italian seasoning and extra salt to get any flavor.

Can I use store brand pizza sauce or does it have to be a specific kind? Any pizza sauce works. I’ve used the cheap stuff and the fancy stuff and honestly couldn’t tell the difference once everything’s mixed together and baked.

Why does my casserole come out watery even though I followed the recipe? You probably didn’t drain the meat grease well enough or your pasta had too much water clinging to it after draining. Shake your colander hard and make sure you drain the meat into something before adding the sauce.

Can I add mushrooms or other vegetables? Sure but sauté them with the meat and onion so they release their water before going into the casserole. Raw vegetables added at the end make everything soupy.

What if I don’t have Italian cheese blend? Just use all mozzarella. The Italian blend has parmesan and romano in it which adds sharpness but it’s not make-or-break for this recipe.

Does the type of Italian sausage matter? Mild or hot both work depending on your spice preference. Sweet Italian sausage has fennel in it which some people love and some people hate so know your audience.

Can I use ground chicken or ground pork instead? Ground pork works great and tastes similar to the sausage. Ground chicken’s too lean and bland—if that’s all you have add some fennel seeds and red pepper flakes to give it character.

How do I know when it’s actually done and not just melted on top? Stick a knife into the center and leave it there for 5 seconds then pull it out and touch it to your wrist. If it’s hot not just warm then the inside’s heated through properly.

Can I double this recipe? Yeah but you’ll need two 9×13-inch dishes because it won’t fit in one. Don’t try to use a deeper dish and just pile it higher because the center won’t cook through in 20 minutes.

What if my cheese isn’t browning on top? Turn on the broiler for the last 2 minutes but watch it like a hawk because it goes from golden to burned in about 30 seconds. I learned that the hard way when I walked away to grab plates.