Savory Instant Pot Chicken Spaghetti

My Tuesday nights used to be desperate affairs, usually ending in takeout menus strewn across the counter. Then came the evening I threw chicken, pasta, and tomatoes into my Instant Pot on a whim. Thirty-five minutes later, I was scraping the bowl clean, wondering how something this comforting could come together so effortlessly. Now it is the recipe I text to friends who say they are too tired to cook.

Last winter my sister showed up unannounced during a snowstorm, hungry and shivering. I doubled this recipe, and we sat at the kitchen table watching the snow fall outside while steam curled off our bowls. She asked for the recipe before she even finished her first serving. That is the kind of immediate, no-fuss comfort I need in my back pocket.

Ingredients

• Chicken breasts: Cutting them into bite-sized pieces helps them cook evenly and absorb more flavor
• Onion and bell pepper: These build the aromatic foundation that makes the sauce taste homemade
• Garlic: Freshly minced gives you the best punch of flavor
• Crushed tomatoes: The base of your sauce, providing body and acidity
• Tomato paste: Concentrates the tomato flavor and helps thicken everything
• Spaghetti: Breaking it in half makes it easier to stir later and fit into the pot
• Chicken broth: Low-sodium lets you control the salt level while the pasta cooks
• Italian seasoning: A convenient blend that adds herbs without measuring multiple spices
• Paprika: Adds subtle warmth and a beautiful color to the dish
• Crushed red pepper flakes: Optional if you like a little heat in the background
• Parmesan cheese: Freshly grated melts better and tastes richer than pre-shredded
• Fresh parsley: Brightens the whole dish and makes it look finished

Instructions

Sauté the aromatics:

Set your Instant Pot to Sauté mode, add a drizzle of oil, and cook the onion and bell pepper until they soften and smell sweet, about 2 to 3 minutes. Add the garlic for just 30 seconds until fragrant, taking care not to burn it.

Brown the chicken:

Add the chicken pieces and let them cook for 2 to 3 minutes, stirring occasionally until they start to turn golden on the outside. They do not need to cook through since they will finish later under pressure.

Add the seasonings:

Stir in the tomato paste, Italian seasoning, paprika, and red pepper flakes if you are using them. Season everything with salt and pepper, letting the spices bloom in the hot pot for a minute.

Deglaze the pot:

Pour in the chicken broth and use your spoon to scrape up any browned bits stuck to the bottom of the pot. This step adds depth to your sauce and prevents the burn warning later.

Layer the remaining ingredients:

Add the crushed tomatoes, then spread the spaghetti evenly over the top. Press the noodles down lightly into the liquid without stirring, which helps them cook evenly and prevents clumping.

Pressure cook:

Secure the lid and set the Instant Pot to Manual or Pressure Cook on high for 7 minutes. The pot needs about 10 minutes to come to pressure before the countdown begins.

Release the pressure:

When the cooking time ends, let the pressure release naturally for 5 minutes. Then carefully flip the valve to quick release any remaining steam.

Combine and finish:

Open the pot and gently stir everything together until the spaghetti is evenly coated. Stir in the Parmesan cheese until it melts and creates a creamy sauce.

Serve it up:

Taste the dish and add more salt or pepper if needed. Serve in bowls, sprinkled with fresh parsley for a bright finish.

Pin It

This recipe saved me during my first month at a new job when I was coming home exhausted and still wanted a real dinner. Something about pasta cooked in sauce rather than water makes it taste richer, like it has been simmering for hours. Now I keep all these ingredients on hand for nights when takeout sounds too tempting.

Making It Your Own

Chicken thighs work beautifully here if you prefer darker meat, just adjust the cooking time by a minute or two. I have added mushrooms, spinach, or zucchini during the sauté step when I need to use up vegetables from the crisper drawer. The recipe is forgiving and welcomes whatever you have on hand.

Serving Suggestions

A crisp green salad with a simple vinaigrette cuts through the richness of the pasta. Garlic bread is never a bad idea, especially for soaking up the extra sauce at the bottom of the bowl. Sometimes I just serve it with steamed broccoli when I want something lighter on the side.

Storage and Meal Prep

This recipe actually tastes better the next day as the flavors meld together. I often make a double batch and portion it into glass containers for lunches throughout the week. The pasta does absorb more liquid as it sits, so add a splash of broth when reheating.

• Store in an airtight container in the refrigerator for up to 4 days
• Freeze individual portions for up to 2 months if you want to stockpile meals
• Reheat with a tablespoon of water or broth to loosen the sauce

Pin It

There is something deeply satisfying about a one-pot meal that tastes this good. Hope this becomes your weeknight savior too.

Recipe Questions & Answers

→ Can I use chicken thighs instead of breasts?

Yes, boneless skinless chicken thighs work excellently and add extra richness. They may need slightly longer cooking time—about 8-9 minutes under pressure instead of 7.

→ Why shouldn't I stir the spaghetti into the liquid?

Keeping the spaghetti on top prevents it from sticking to the bottom and burning during pressure cooking. The pasta will cook perfectly as it absorbs the liquid from below.

→ Can I make this without an Instant Pot?

You can simmer on the stovetop, but you'll need more liquid—about 4 cups total. Cook covered for 15-18 minutes until pasta is tender, stirring occasionally to prevent sticking.

→ How do I store and reheat leftovers?

Refrigerate in an airtight container for up to 4 days. Reheat with a splash of broth or water in the microwave or on the stovetop over medium heat, stirring occasionally.

→ Can I make this gluten-free?

Use gluten-free spaghetti and ensure your broth and seasonings are certified gluten-free. Cooking time may vary slightly—check pasta package instructions and adjust pressure time accordingly.

→ What other vegetables can I add?

Diced zucchini, sliced mushrooms, fresh spinach, or frozen peas work well. Add hearty vegetables like zucchini with the peppers, and delicate ones like spinach during the final stir.