Name: Instant Pot Pasta with Sausage Recipe
Prep time: 10 min
Cook time: 27 min
Total time: 37 min
Cuisine: Italian
Ingredients: 1 pound Italian chicken sausage (see notes); 1 small onion (chopped); 2 bell peppers (chopped); 3 cups fresh spinach (coarsely chopped); 12 ounces whole wheat penne pasta (about 4 ½ cups dry, or white penne pasta); 25 ounce jar marinara sauce; 2 teaspoons olive oil; 3 cups water; 1 teaspoon dried Italian seasoning; 2 ounces mozzarella cheese (shredded, about ½ cup)

Jump to Recipe· 3.9 from 15 reviews

I absolutely adore this Instant Pot Pasta with Sausage Recipe because it combines the comforting richness of Italian sausage, vibrant bell peppers, and fresh spinach all melded perfectly with tender penne pasta in a luscious marinara sauce. It’s the kind of dish I love to make when I want something that feels like a warm hug but comes together quickly and without the usual fuss. The Instant Pot really transforms this meal into an easy, flavorful weeknight winner that always leaves me wanting more.

Why You’ll Love This Instant Pot Pasta with Sausage Recipe

I think what truly makes this recipe stand out is the balance of flavors. The savory Italian sausage provides a hearty foundation while the sweetness of the bell peppers and the fresh earthiness of spinach add delightful layers that keep the dish bright and exciting. The marinara sauce ties everything together with a tangy richness that coats the pasta perfectly. When I serve this at home, it never lasts long because everyone at the table loves how well-rounded it tastes.

Another reason I’m so enthusiastic about this Instant Pot Pasta with Sausage Recipe is how unbelievably simple it is to prepare. You sauté everything right in the Instant Pot, layer the pasta and sauce without stirring, and just let the pressure cooker do all the work. It’s a lifesaver on busy nights when I want a wholesome, satisfying meal but don’t want to spend ages in the kitchen. Plus, it’s versatile enough for casual dinners, meal prep, and even entertaining friends when paired with the right sides.

Ingredients You’ll Need

The image shows several ingredients in bowls and cups arranged on a white marbled surface. From the top left, there is a clear glass bowl filled with fresh dark green spinach leaves. To its right, there is a white bowl with bright yellow and red chopped bell peppers. Below the bell peppers, there is a small white bowl containing dried Italian seasoning herbs, and next to it, a small white bowl with golden olive oil. Below the spinach, a white bowl holds chopped white onions, and next to it, a white bowl is filled with uncooked whole wheat penne pasta in light brown. Below the pasta, there is a clear glass bowl with chunky red marinara sauce, beside it a white bowl with shredded white mozzarella cheese. Below the onions, a clear glass bowl contains sliced Italian sausage in brown shades. A glass measuring cup with clear water is towards the bottom left of the image. All ingredients sit on a white marbled background with clear labels in simple bold text above each bowl. Photo taken with an iphone --ar 4:5 --v 7

Every ingredient here plays an essential role in creating the delicious, comforting dish that this Instant Pot Pasta with Sausage Recipe is known for. They’re simple, accessible, and each adds its own magic, whether it’s the savory sausage, vibrant veggies, or creamy cheese finish.

Olive oil: This brings a subtle fruitiness and helps brown the sausage and soften the onions.
Italian chicken sausage: Provides rich, savory flavor and protein, and choosing chicken keeps it lighter.
Onion: Adds sweetness and depth once sautéed with the sausage.
Bell peppers: For crunch, color, and a slightly sweet note that complements the sausage.
Water: Essential to create enough moisture for the Instant Pot to pressurize and cook the pasta perfectly.
Dried Italian seasoning: A fragrant blend that brightens the sauce with herbs like basil, oregano, and thyme.
Whole wheat penne pasta: Offers fiber and a pleasant nutty flavor; of course, regular penne works beautifully too.
Marinara sauce: The heart of this dish, bringing a rich tomato base to unify all ingredients.
Fresh spinach: Adds a lovely pop of green, a boost of nutrients, and a nice fresh contrast to the rich sauce.
Mozzarella cheese: Melts into the pasta for creamy, gooey goodness on each bite.

Directions

Step 1: Turn on your Instant Pot’s sauté function and add the olive oil to the pot. This sets a beautiful base for browning the meat and softening the veggies.

Step 2: If your Italian chicken sausage is precooked, slice it into pieces and add it to the Instant Pot. For raw sausage, remove it from the casing and crumble it directly into the pot for even cooking.

Step 3: Add the chopped onion to the pot and sauté everything together until the sausage is browned and the onion has turned soft and fragrant. If using raw sausage, be sure to break it up as it cooks to avoid clumps. When the sausage is cooked through, press cancel to stop the sauté function.

Step 4: Stir in the chopped bell peppers, water, dried Italian seasoning, and 1 cup of the marinara sauce. Scrape the bottom of the pot gently to dislodge any flavorful browned bits that add depth to the dish.

Step 5: Add the whole wheat penne pasta to the pot but don’t stir. Press the pasta down into an even layer so it cooks evenly. Pour the remaining marinara sauce over the pasta, again avoiding stirring to keep the layers intact.

Step 6: Seal the Instant Pot lid and set the steam release valve to the sealing position. Program the cooker for 2 minutes at high pressure. This short but intense cook time is perfect for whole wheat penne noodles to become al dente. Remember, your Instant Pot will take some time to reach pressure before this countdown begins.

Step 7: Once cooking finishes, perform a quick release by carefully turning the steam release valve to venting. When the pin drops and the lid is safe to open, lift it carefully. You might notice a little extra liquid, which will be absorbed as the pasta rests.

Step 8: Stir the pasta well, folding in the fresh spinach until it wilts. Finish by mixing in the shredded mozzarella cheese, allowing it to melt into every creamy, cheesy bite. Serve warm and enjoy!

Servings and Timing

This Instant Pot Pasta with Sausage Recipe serves 8 generous portions, perfect for a large family dinner or for leftovers throughout the week. Prep time is around 10 minutes including chopping veggies and prepping sausage. The cook time, including pressurizing and cooking, totals about 27 minutes with about 20 minutes of that being the Instant Pot building up pressure. There is no additional resting time needed other than a few minutes to let any excess liquid absorb as you stir in the spinach and cheese. Overall, you’re looking at roughly 37 minutes from start to finish.

How to Serve This Instant Pot Pasta with Sausage Recipe

A close-up top view of an instant pot with three layers visible inside: at the bottom is a light brown clear broth, followed by a layer of dark brown penne pasta arranged loosely, and the surface layer shows a few small bubbles. Next to the instant pot are three bowls placed on a white marbled surface: one bowl with fresh green spinach leaves, another with shredded white cheese, and the last containing bright red tomato sauce. The scene is bright and clean. photo taken with an iphone --ar 4:5 --v 7

When I serve this pasta, I like to keep things casual yet thoughtful. It pairs beautifully with a crisp green salad tossed lightly with lemon vinaigrette to brighten up the rich flavors. Roasted or steamed vegetables, like asparagus or broccoli, also complement the dish well, adding a fresh crunch and vibrant color to the plate.

For garnishing, I love sprinkling a bit of extra shredded mozzarella or freshly grated Parmesan cheese right on top, along with a pinch of red pepper flakes if I want some heat. A handful of chopped fresh basil or parsley always adds a lovely aroma and a pop of green that makes the dish look even more inviting. I usually serve this warm, directly from the pot to bowls, encouraging generous portions—you really want to savor every bite.

As for drinks, a glass of medium-bodied red wine like Chianti or Sangiovese pairs perfectly with the Italian sausage and tomato sauce. If you prefer non-alcoholic, a sparkling water with a splash of lemon or an Italian soda offers refreshing balance. This meal works wonderfully for weeknight dinners, casual family gatherings, or even informal potluck parties where you want to impress without fuss.

Variations

I love how flexible this Instant Pot Pasta with Sausage Recipe is. If you want to switch things up, swapping the chicken sausage for spicy Italian pork sausage adds a bit more heat and richness. For a vegetarian version, try substituting sausage with plant-based meat alternatives and add extra mushrooms or zucchini for a meaty texture and flavor boost.

If you need it gluten-free, opt for a gluten-free penne pasta and double-check marinara labels for gluten-containing ingredients. For those watching calories, lean turkey sausage combined with whole wheat or legume-based pasta keeps things lighter yet still flavorful. You can also experiment with different cheeses like provolone or fontina if mozzarella isn’t your favorite.

While I cherish the convenience of using the Instant Pot, this recipe can be adapted to a stovetop method too, although the timing and layering technique will differ slightly. Slow cooker lovers can layer ingredients similarly but will have longer cook times and won’t get the same perfectly al dente pasta texture as with pressure cooking. Either way, the heart of this recipe—sausage, pasta, and marinara—will shine through beautifully.

Storage and Reheating

Storing Leftovers

Once cooled to room temperature, I store leftovers of this Instant Pot Pasta with Sausage Recipe in airtight containers—glass or BPA-free plastic both work well. The dish keeps nicely in the refrigerator for up to 4 days. Storing it properly ensures the pasta stays tender and the flavors remain vibrant without absorbing unwanted fridge odors.

Freezing

This pasta freezes well if you want to make it ahead or save some for busy days. I recommend portioning it into freezer-safe containers or heavy-duty zip-top bags. Before freezing, avoid adding fresh spinach and cheese—add those fresh when reheating to keep the texture perfect. It will keep well frozen for up to 3 months. When ready to eat, thaw overnight in the fridge for best results.

Reheating

When reheating, I find the stovetop method works best: gently warm the pasta in a skillet over low heat with a splash of water or broth, stirring occasionally to restore creaminess and loosen the sauce. The microwave is a convenient option but heat gently in shorter bursts to prevent drying out. Add fresh spinach and cheese at this stage for the best fresh taste. Avoid reheating multiple times to keep the flavors and texture at their best.

FAQs

Can I use a different type of pasta in this recipe?

Absolutely! While the recipe calls for whole wheat penne, you can use white penne, rigatoni, fusilli, or any pasta that cooks in about 9 minutes stovetop. Keep in mind, cooking times may need slight adjustment depending on the shape and type. Just make sure you don’t stir after adding pasta and sauce to keep it from sticking.

What if I don’t have Italian chicken sausage? Can I substitute something else?

You can easily sub with any Italian sausage, such as pork or turkey. If you don’t have sausages, cooked ground beef or turkey seasoned with Italian herbs can work well too. For vegetarians, meatless sausage crumbles or hearty mushrooms make a tasty alternative.

Is it necessary to do a quick pressure release? What happens if I do a natural release?

Quick releasing the pressure is key to avoiding overcooked, mushy pasta. Since the pasta cooks quickly under pressure, letting it slowly release could cause it to continue cooking beyond al dente. So for the best texture, I always recommend carefully performing a quick release when the cook time ends.

Can I add other vegetables to this recipe?

Definitely! This recipe is perfect for customization. Mushrooms, zucchini, or chopped carrots work beautifully sautéed with the sausage. Just keep them chopped evenly so they cook uniformly during the sauté step and pressure cooking.

How do I adjust the recipe if I want it spicier?

To add heat, I like mixing in crushed red pepper flakes when sautéing the sausage or using spicy Italian sausage. You can also top servings with hot sauce or a sprinkle of cayenne pepper. Adding spicy peppers like jalapeños with the bell peppers is a tasty option too!

Conclusion

I can’t recommend this Instant Pot Pasta with Sausage Recipe enough. It’s such a comforting, flavorful, and satisfying meal that feels like home in every bite, yet it comes together quickly and easily. If you’re looking for a recipe to brighten up your weeknights or impress without stress, give this one a try—you’ll be so glad you did, and your family will thank you too!