
This Instant Pot baked ziti saved my sanity when I was trying to make something that felt like real Sunday dinner but only had an hour before everyone needed to be at different activities. I'd been intimidated by my Instant Pot for months after getting it as a gift, but the idea of making baked ziti in less than an hour seemed too good to pass up. After some trial and error with liquid ratios and layering techniques, we figured out this incredible method that gives you all the comfort of traditional baked ziti without spending half your day in the kitchen. Now this has become our go-to for busy Sundays when we want something special but don't have all day to cook.
My sister tried this for her daughter's team party and couldn't believe how much food it made. She said twelve teenage soccer players demolished the entire pan and kept asking if there was more. The coach even asked her for the recipe because he'd never seen the girls get that excited about anything that wasn't pizza. Now she's become the unofficial team caterer and makes this for every end-of-season celebration.
Getting the Ingredients Right
- Italian sausage makes the difference: Much more flavor than ground beef and the fat keeps everything moist
- Good pasta sauce matters: Since it's a main flavor component, don't cheap out on generic brands
- Whole milk ricotta: Part-skim ricotta gets grainy and doesn't create that creamy texture you want
- Don't pre-shred mozzarella: Block cheese you shred yourself melts way better than the pre-shredded stuff
- Diced tomatoes add texture: The little chunks give you something to bite into instead of just smooth sauce
- Fresh garlic essential: Garlic powder just doesn't give you that aromatic depth

Making It Step by Step
- Building the flavor base
- Turn your Instant Pot to sauté mode and let it heat up until it says "Hot" on the display. Add olive oil and chopped onion, cooking until the onion gets soft and translucent. Then add the Italian sausage and break it up as it cooks until there's no pink left.
- Adding aromatics
- Stir in the minced garlic and cook for just about a minute until it smells incredible. Don't let it brown or it'll taste bitter. If you have any browned bits stuck to the bottom, turn off the pot and scrape them up with a little water.
- Layering for pressure cooking
- This part is crucial - add the uncooked ziti right over the sausage, then pour the water over the pasta. Add the marinara sauce and diced tomatoes on top, but don't stir anything together. The layering prevents the pasta from sticking and burning on the bottom.
- Pressure cooking magic
- Put the lid on, make sure the valve is set to sealing, and hit pressure cook for exactly four minutes. The pot takes a few minutes to build pressure, then cooks for four minutes, then you do a quick release by moving the valve to venting.
- Stirring and cheese adding
- Once the pressure releases and you can remove the lid safely, stir everything together until the pasta and sauce are well combined. Add half the ricotta and one cup of mozzarella, stirring until they start melting into the hot pasta.
- Transferring for baking
- Heat your oven to 350 degrees while you put half the ziti mixture into a greased casserole dish. Add the rest of the ricotta and stir it gently into this layer, then top with the remaining pasta mixture.
- Final baking step
- Sprinkle the remaining mozzarella over the top along with some dried parsley for color. Bake for twenty to twenty-five minutes until everything's bubbling and the cheese is golden brown on top.
My first attempt was a disaster because I stirred everything together before pressure cooking, which made the pasta stick to the bottom and burn. I also rushed the pressure release and got pasta sauce sprayed all over my kitchen. Learning to trust the layering method and be patient with the pressure release made all the difference.
How to Serve It
Let this rest for about ten minutes after baking so it doesn't fall apart when you scoop it. It's rich enough that you don't need much else - maybe some garlic bread and a simple salad. I usually serve it straight from the casserole dish because it looks more homestyle and keeps everything warmer longer.
Making It Different
You can use different types of sausage or even ground beef if that's what you have. Sometimes I add vegetables like bell peppers or mushrooms with the onions. For spice lovers, increase the red pepper flakes or use hot Italian sausage instead of mild. Adding some fresh basil at the end makes it taste more restaurant-quality.
Leftovers and Storage
This keeps really well in the fridge for several days and actually tastes even better reheated the next day. The flavors have time to meld together overnight. You can also freeze portions for up to three months, which is great for busy weeks when you need something homemade but don't have time to cook.

This Instant Pot baked ziti has completely changed how I think about weeknight comfort food. Getting all those traditional flavors without the traditional time investment means we can have real Sunday dinner any night of the week. My family requests this specifically now when they want something that feels special but I don't want to spend hours cooking.
Frequently Asked Questions
- → Why don't I stir the sauce before pressure cooking?
- Not stirring prevents the pasta from sticking to the bottom of the pot. The layering method ensures even cooking and prevents burning.
- → Can I skip the baking step?
- Yes! Just add all the cheese after pressure cooking and serve. The baking step creates that golden, bubbly top that's traditional in baked ziti.
- → Will this work in a 6-quart Instant Pot?
- Absolutely! Use the same ingredient amounts - the recipe works perfectly in both 6-quart and 8-quart Instant Pots.
- → Can I use ground beef instead of sausage?
- Yes! Ground beef, turkey, or even a mix work great. You might want to add extra Italian seasoning for more flavor.
- → How do I prevent the quick release from spraying?
- If too much liquid sprays out, do a gradual quick release by slowly turning the valve, or wait a few minutes then try again.