Instant Pot Baked Ziti Dinner

Section: Satisfying Main Dishes for Every Occasion

Create a cozy dinner fast with this Instant Pot ziti: Sauté onion and sausage, layer uncooked pasta, marinara, and tomatoes in the pot, then use pressure cooking for flawless texture. After stirring in ricotta and mozzarella, transfer to a casserole for an oven bake that gives a golden, bubbling cheese top. Italian sausage brings flavor and moisture, while layering steps prevent sticking or burning inside the pressure cooker. Serve this with a simple salad or bread. It feeds a crowd, works well for make-ahead, is wallet friendly, and always delivers that comforting, classic baked pasta taste the whole family loves.

A woman wearing a chef's hat and apron.
Published By Maria
Updated as of Thu, 18 Sep 2025 22:51:41 GMT
A close up of a delicious looking baked ziti. Bookmark
A close up of a delicious looking baked ziti. | foodbymary.com

Instant Pot Baked Ziti is an answer to rushed Sunday evenings and hungry crowds. When I first tried this shortcut version, I was desperate for that old-school comfort but had barely an hour before everyone scattered for activities. Now this saucy sausage pasta is our go-to for special meals when time is tight but no one wants to skimp on flavor or tradition.

My sister made this for a team dinner and said it was the first time twelve teenagers actually wanted seconds of something that was not pizza. Now she is the official team pasta maker and even the coach wants the recipe.

Ingredients

  • Italian sausage: choose mild or hot as you like for rich flavor and a juicy finish look for fresh sausage from the butcher
  • Ziti pasta: tube-shaped pasta holds onto the sauce best pick a quality brand for even cooking
  • Good quality pasta sauce: since the sauce is the backbone of the dish buy one with real tomatoes and herbs
  • Diced tomatoes: these add little bites of acidity and keep the sauce chunky not soupy choose ones packed in tomato juice not puree
  • Whole milk ricotta: creamy texture and rich flavor makes the cheese layers indulgent avoid part-skim for the best melt
  • Mozzarella blocks: shred it yourself as it melts smoother and tastes fresher than pre-shredded
  • Fresh garlic: provides aromatic depth and savory kick smash and mince for the most flavor
  • Yellow onion: the sweetness comes out in sautéing and forms the base use fresh never frozen
  • Olive oil: mild oil for sautéing that keeps everything from sticking stick to extra virgin for better aroma
  • Dried parsley: optional for sprinkling gives a bit of color and a hint of flavor look for bright green flakes not dull brown

Step-by-Step Instructions

Building the flavor base:
Turn the Instant Pot onto sauté and let the inner pot heat until it says Hot Add olive oil and chopped onion Stir frequently and cook on medium low for about eight minutes until the onion is translucent and soft Add the sausage and break it up with a spoon Cook until the sausage is no longer pink and is starting to brown slightly The browning develops flavor
Adding aromatics:
Add minced garlic and stir constantly for one minute until you can really smell it Keep a close eye so the garlic does not burn If anything is stuck to the pot scrape with a spoon and a splash of water
Layering for pressure cooking:
Pour the uncooked ziti over the sausage spread it out evenly on top Pour water over the pasta to completely cover Add the marinara sauce and diced tomatoes straight on top Do not stir Layering in this order is key for preventing scorched bits
Pressure cooking magic:
Secure the Instant Pot lid Seal the valve and set to pressure cook for four minutes It will take extra minutes to build pressure Wait for the timer at the end then carefully use a quick release method to vent steam If thick sauce starts spraying stop and vent more slowly
Stirring and cheese adding:
Once it is safe open the lid Stir well to combine the pasta with sauce and sausage Add half of the ricotta cheese in spoonfuls and a cup of shredded mozzarella Stir until the cheese is half melted and creamy
Transferring for baking:
Preheat your oven to three hundred fifty degrees Grease a large casserole dish Layer in half of the ziti mixture Dot with the rest of the ricotta Cheese gets soft but keep it in thick layers Spoon on the rest of the ziti
Final baking step:
Top everything with the remaining mozzarella and dried parsley Place the dish in the oven Bake for about twenty five minutes until the cheese is bubbling and golden brown Cool for ten minutes before serving so it sets and is easy to scoop
A close up of a delicious looking baked ziti. Bookmark
A close up of a delicious looking baked ziti. | foodbymary.com

This ziti has so many family memories for me I always think of my oldest pulling up a chair to help shred cheese and sneak little bits before the pan went into the oven Nothing brings everyone to the table quicker than the smell of bubbling cheese and sausage after such a fast prep

Storage Tips

This ziti holds up well in the fridge for up to four days and actually tastes richer the next day because the flavors have more time to mix For the best leftovers store in covered glass containers It also freezes beautifully Slice and wrap portions in foil then tuck inside a freezer bag for up to three months Reheat directly from frozen by baking until hot in the center

Ingredient Substitutions

You can easily swap Italian sausage with ground beef turkey or even vegetarian meat alternatives If you want to go lighter use part skim cheese but expect a bit less creaminess For a chunkier texture add diced bell peppers or mushrooms with the onions If you have only penne on hand that shape works just fine

Serving Suggestions

Baked ziti makes a hearty main all on its own If I am serving a big group I add garlic bread and a crisp green salad For an extra Italian restaurant feel sprinkle on chopped fresh basil just before serving and set out a dish of grated parmesan

A close up of a delicious looking baked ziti. Bookmark
A close up of a delicious looking baked ziti. | foodbymary.com

Cultural Context

Baked ziti is a staple at Italian American gatherings beloved for its crowd-pleasing flavors and easy assembly The Instant Pot version brings that classic taste home to families who want all the flavor in a quarter of the time My grandmother made hers for every family milestone now I make this version for busy nights when I want those warm memories without the wait

Common Recipe Questions

→ Why should I avoid stirring before pressure cooking?

Layering instead of stirring keeps the pasta from burning or sticking on the bottom and ensures even cooking.

→ Is baking necessary after pressure cooking?

Baking creates the golden, bubbly cheese layer on top, adding texture and classic appeal, but you can skip it for faster serving.

→ Can this dish be made in a 6-quart Instant Pot?

Yes, the same ingredient amounts work in both six- and eight-quart models without adjustment.

→ Are there substitutions for the sausage?

Ground beef, turkey, or mixed meats all work well. Just add extra Italian seasoning for more flavor if needed.

→ How can I prevent mess when releasing the pressure?

If liquid sprays during quick release, try turning the valve slowly or letting the pot rest a few minutes before venting.

→ How should leftovers be stored?

Cooled portions keep well in the fridge for several days or freeze for up to three months. Reheat for rich, melded flavor.

Instant Pot Baked Ziti

Pasta, sausage, and cheese combine for a quick, hearty dinner using Instant Pot and a finishing oven bake.

Prep Time
15 minutes
Cooking Time
35 minutes
Complete Time
50 minutes
Published By: Maria

Recipe Category: Main Dishes

Skill Level: Moderately Challenging

Cuisine Type: Italian-American

Total Portions: 10 Serves How Many (1 large pan baked ziti)

Dietary Preferences: ~

Required Ingredients

→ Main

01 2 tablespoons olive oil
02 1 large yellow onion, finely chopped
03 900 grams Italian sausage, casings removed
04 5 cloves fresh garlic, minced
05 500 grams dry ziti pasta
06 1 litre water
07 950 millilitres high-quality marinara sauce
08 400 grams canned diced tomatoes, with juice
09 425 grams whole milk ricotta cheese
10 400 grams mozzarella cheese, block, shredded
11 2 teaspoons dried parsley flakes

→ Optional Additions

12 1 red bell pepper, diced (optional)
13 120 grams mushrooms, sliced (optional)
14 1 teaspoon crushed red pepper flakes (optional, for spice)
15 Fresh basil, for serving (optional)

Step-by-Step Instructions

Step 01

Set the Instant Pot to sauté mode. Add olive oil and let it heat until shimmering. Add chopped onion and cook, stirring, until soft and translucent, about 4 minutes. Add Italian sausage and cook, breaking up with a spatula, until no pink remains.

Step 02

Stir in minced garlic and cook for 1 minute until aromatic. If browned bits are stuck to the bottom, deglaze the pot with a splash of water, scraping with a wooden spoon.

Step 03

Turn off sauté mode. Scatter uncooked ziti evenly over sausage mixture. Pour water gently over pasta. Spread marinara sauce and diced tomatoes over the top without stirring. Layering helps prevent burning and sticking.

Step 04

Seal the Instant Pot lid and set the valve to sealing. Pressure cook on high for 4 minutes. When the cooking time is complete, perform a careful quick release, turning the valve slowly to avoid splatter.

Step 05

Remove the lid and stir the pasta and sauce mixture until evenly combined. Add half of the ricotta and 100 grams (about 1 cup) of shredded mozzarella, stirring until partially melted.

Step 06

Preheat oven to 175°C (350°F). Grease a large casserole dish. Spoon half of the pasta mixture into the dish. Dot with remaining ricotta. Spoon over the rest of the pasta mixture.

Step 07

Sprinkle remaining shredded mozzarella over the top. Scatter dried parsley for color. Bake uncovered for 20 to 25 minutes until cheese is bubbling and golden brown.

Step 08

Remove from oven and let rest for 10 minutes before serving to allow the layers to set.

Handy Cooking Tips

  1. Layer ingredients without stirring before pressure cooking to prevent scorching the pasta.
  2. Whole milk ricotta yields a creamier consistency than part-skim alternatives.
  3. Allow the casserole to rest before serving to maintain structure when slicing.
  4. Leftovers taste even better the next day and reheat well.

Necessary Kitchen Tools

  • Instant Pot (6 or 8 litre capacity)
  • Large casserole dish
  • Oven
  • Chef's knife
  • Cutting board
  • Wooden spoon
  • Cheese grater

Allergy Details

Always check ingredient packaging for potential allergens and consult a healthcare professional when in doubt.
  • Contains gluten (pasta)
  • Contains dairy (ricotta, mozzarella cheese)
  • May contain soy, depending on sausage and packaged sauce ingredients

Nutritional Information (Per Serving)

These nutrition details are for guidance and don’t replace professional advice.
  • Calories: 560
  • Fat: 27 grams
  • Carbohydrates: 52 grams
  • Proteins: 26 grams