



Chicken parmesan is one of those dishes most people love at a restaurant but rarely make at home.
The breading, the frying, the timing of the pasta — it’s a lot of steps for a weeknight. This recipe removes every single one of them.
Spaghetti broken in half, raw chicken, a jar of marinara, water, and half the cheese. Everything goes into one dish, foil on top, and into the oven.
The pasta cooks right in the sauce — absorbing all that tomato flavor as it bakes — and the chicken cooks through at the same time. No boiling, no browning, no extra pans to wash.
The last ten minutes are where the magic finishes. Breadcrumbs, Parmesan, and the rest of the mozzarella scattered over the top. Back into the oven uncovered. When it comes out, the cheese is bubbling and the topping is golden — exactly what you want from dump and bake chicken parm. One of those easy dinner recipes where the result is better than the effort suggests it should be.

Why You’ll Love This Dump and Bake Chicken Parmesan Recipe
- The most minimal prep of any chicken parmesan casserole recipe you’ll find — Break the spaghetti in half, stir everything together, cover with foil, and bake. That’s it. Even on your most drained weeknights this one is doable.
- The pasta cooks right in the sauce — This is the genius of dump and bake pasta casserole recipes. The spaghetti simmers in marinara as it bakes, absorbing all that flavor from the inside out. It tastes better than pasta cooked separately and sauced after the fact.
- Raw chicken goes in, fully cooked chicken comes out — No pre-cooking, no browning, no extra steps. The steam and sauce handle it. One of those dump and bake chicken recipes that genuinely earns the name.
- That breadcrumb topping still happens — You still get the signature crispy crunch of real chicken parm. Breadcrumbs, Parmesan, and the remaining mozzarella go on in the last 10 minutes. All the texture, none of the frying.
- 650,000+ home cooks make this regularly — This is one of the most shared casserole recipes in the 12 Tomatoes community, and for good reason. It’s reliable, fast, and the kind of recipes for dinner that the whole table is happy about every single time.

For the Dump and Bake Chicken Parmesan
- Spaghetti – Broken in half before going into the dish. This is the move that makes the whole thing work — it lies flat in the baking dish so every noodle absorbs the sauce evenly. It’s what separates this from other dump and bake pasta casserole recipes that use short pasta. Try it once and you’ll see why it works so well.
- Marinara Sauce – One full jar, 24 oz. This is the cooking liquid and the flavor base in one. Use a sauce you’d eat straight — the quality carries through every bite of this dump and bake chicken parmesan pasta.
- Water – Combined with the marinara to give the spaghetti enough liquid to cook through. The pasta absorbs it all, which means every noodle comes out saucy and flavorful rather than dry.
- Raw Chicken Breast – Diced into bite-sized pieces and added raw. The steam inside the foil-covered dish cooks it through alongside the pasta. No pre-cooking, no frying — this is what makes dump and bake chicken recipes so satisfying to make on a weeknight.
- Garlic Powder – Stirred into the mixture before baking for that background savory depth that makes this taste like real chicken parm rather than just pasta and chicken.
- Salt & Black Pepper – Season the whole mixture before it goes in. Don’t skip this step — properly seasoned pasta water (even baked pasta) makes a real difference.
- Mozzarella — First Half – Half a cup stirred into the casserole before baking. It melts through the dish as it cooks, giving you cheese in every bite, not just on top.
For the Topping
- Mozzarella — Second Half – Scattered over the casserole in the last ten minutes. This is the melty, bubbly, golden layer that makes every dump and bake chicken parmesan casserole look and taste like the real thing.
- Grated Parmesan – Goes on with the final mozzarella. Sharp, salty, and nutty — it crisps slightly under the oven heat and adds the depth that mozzarella alone can’t give.
- Italian Breadcrumbs – The signature crunch. Scattered over the cheese in the last ten minutes, they toast golden while the mozzarella melts beneath them. This is the topping that makes this one of the best easy dinner recipes in the dump and bake dinners category.


Dump and Bake Chicken Parmesan
Notes
Ingredients
- 12 oz uncooked spaghetti, broken in half
- 1 (24 oz) jar marinara sauce
- 2½ cups water
- 1 lb raw boneless skinless chicken breast, diced into bite-sized pieces
- ½ tsp garlic powder
- Salt and black pepper, to taste
- 1½ cups shredded mozzarella, divided
- ½ cup grated Parmesan cheese
- 1 cup Italian breadcrumbs
Instructions
- Preheat your oven to 425°F and grease a 9x13-inch baking dish with nonstick spray.
- Break the spaghetti in half and add to the prepared baking dish along with the marinara, water, diced chicken, garlic powder, and ½ cup of the mozzarella. Season with salt and pepper and stir everything together until combined. If needed, add a splash more water to make sure the pasta and chicken are mostly submerged.
- Cover the dish tightly with aluminum foil — no gaps. Bake covered for 20 minutes.
- Remove the foil and bake uncovered for another 10 minutes until the chicken is cooked all the way through.
- Scatter the breadcrumbs, Parmesan, and remaining mozzarella evenly over the top.
- Return to the oven uncovered and bake for a final 10 minutes until the cheese is melted and bubbly and the breadcrumbs are golden brown.
- Serve straight from the dish.
- Breaking the spaghetti matters: Halving the noodles is what makes this dump and bake pasta casserole work. Full-length spaghetti tangles and bakes unevenly — broken spaghetti lies flat, absorbs liquid evenly, and cooks through properly.
- Liquid check: Before covering with foil, make sure most of the pasta is submerged. If your marinara is thick, add a little extra water. The pasta needs enough liquid to cook through.
- Pasta swap: Penne, rotini, or rigatoni all work if you don't have spaghetti — just use a pasta with a similar cooking time listed on the package. The dump and bake method works with any short pasta shape too.
- Chicken broth upgrade: Replace the water with chicken broth for a richer, deeper sauce. One of the easiest flavor upgrades in any dump and bake chicken parmesan recipe.
- Storage: Leftovers keep in an airtight container in the fridge for 3–4 days. Add a splash of water or broth before reheating to loosen the sauce back up.

- Why break the spaghetti in half — can I just leave it whole?
Breaking it in half is what makes this dump and bake pasta casserole work properly. Full-length spaghetti tangles into clumps and bakes unevenly — some noodles cook too fast, others stay firm. Halved spaghetti lies flat in the dish, absorbs liquid evenly, and cooks through at the same rate as the chicken. It’s a small step that makes a big difference in the final result. - There’s still a lot of liquid in the dish after the first bake — is that normal?
Yes, completely normal — keep going. After the covered bake, uncover and give it 10 more minutes. The pasta is still absorbing liquid during this stage. By the time the topping goes on and the final 10 minutes are done, most of that liquid will be gone and the sauce will have thickened around the noodles. Taste a strand of pasta to check doneness — al dente is what you’re after. - Can I use a different pasta?
Yes. Penne, rotini, or rigatoni all work in this dump and bake chicken parmesan recipe. Use any short pasta with a similar cook time listed on the package — around 10–12 minutes. If using a different pasta, make sure it’s mostly submerged in liquid before covering with foil. - Can I swap the water for something with more flavor?
Absolutely — and it’s one of the best upgrades you can make to any dump and bake dinner. Replace the water with chicken broth for a richer, more savory sauce. The pasta absorbs whatever liquid is in the dish, so better liquid means better flavor all the way through. - Can I use rotisserie chicken instead of raw?
Yes. Shred or dice it and stir in as directed. Since the chicken is already cooked, reduce the first covered bake to around 15 minutes instead of 20 — you’re just cooking the pasta, not the chicken. Then uncover and proceed with the topping as written. A great shortcut for even faster lazy dinners on a busy evening.
