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    Home » Instant Pot Recipes

    Instant Pot Spaghetti with Shiitake Mushrooms

    Published: Dec 22, 2020 · Modified: Feb 22, 2022 by Archana · This post may contain affiliate links · As an Amazon Associate I earn from qualifying purchases · 5 Comments

    629 shares
    Jump to Recipe

    Make an easy Instant Pot spaghetti dinner to feed a crowd. This recipe has rich and earthy shiitake mushrooms for extra flavor and nutrition.

    mushroom spaghetti in 2 white bowls
    Jump to:
    • Ingredients
    • Instructions
    • Serving
    • Tips
    • More Recipes
    • FAQ
    • Recipe

    When you think of spaghetti, what comes to mind? It's probably a dish with a tomato-based marinara sauce. This recipe is completely different. It's a really simple way to cook a meatless meal with spaghetti noodles and shiitake mushrooms.

    The result is a one-pot meal with a robust flavor. Even if you have never tried to make a spaghetti recipe without tomatoes, this is the one you should start with.

    Ingredients

    These are the ingredients you need to make Instant Pot spaghetti.

    • Olive Oil - you can also substitute and use avocado oil instead
    • Shiitake Mushrooms- you will need about a pound. This makes roughly 7 cups after you destem and chop them.
    • Kosher Salt
    • Freshly ground black pepper 
    • Garlic minced
    • Low sodium vegetable broth
    • Pasta - I used spaghetti noodles, but feel free to use your favorite pasta
    • Parmesan cheese grated
    • Parsley - this is for the very end. It tastes best with fresh parsley that you chop and sprinkle on top like a garnish.

    Shiitake Mushrooms

    While you could use any type of mushrooms, I suggest making this specifically with shiitake mushrooms. They have a bolder flavor that tastes different than other varieties of mushrooms.

    They cost more than baby Bella or white mushrooms because they need specific growing conditions. They grow in clusters around the end of spring and completely disappear in the fall. Since they can only grow during heavy rainfall that is followed by heat and humidity, they have a very unique taste.

    These mushrooms are also really good for you too. In just 4 mushrooms there is 6% of your daily value of vitamin D. They are also an excellent source of copper, vitamin B5, selenium, and manganese. They also contain lots of the same amino acids as meat - so they are great for your muscles and brain.

    When you remove the stems, don't just throw them away. Keep them - you can boil them with other vegetables to make broth.

    Sliced shiitake mushrooms on a cutting board

    Instructions

    Here are the step by step instructions:

    • Turn the Instant Pot on Saute normal mode and heat the oil. Add the mushrooms, salt, pepper, and give a quick stir (photo 1).
    • Add water, mix well and cook covered with a non-locking lid for 2 to 3 minutes. Take half of the mushrooms out and reserve. Move the remaining mushrooms on one side of the pot and add them to the empty surface (photo 2).
    • Add garlic to the oil and cook it for a minute as it starts to release the aromas (photo 3).
    • Add ¼ cup of vegetable broth and mix well, deglazing and removing any browning on the bottom of the pot (photo 4).
    cooking mushrooms in Instant Pot
    • Add the remaining broth, break the spaghetti in half and start layering in a criss-cross pattern. This is an important step as it prevents the spaghetti from sticking to each other (photos 5-6).
    • Gently press the noodles so they are under the liquids. Do not mix. Layer the reserved mushrooms on top. Close the Instant Pot and pressure cook for 4 minutes (photos 7-8).
    cooking spaghetti in Instant Pot
    • Quick-release and open the Instant Pot (photo 9).
    • Sprinkle cheese on top and garnish with parsley. (photo 10).
    instant pot spaghetti

    Serving

    Serve the pasta hot with a sliced baguette or your favorite salad.

    Tips

    • Criss-cross the spaghetti noodles in the Instant Pot. This will prevent them from sticking together.
    • Completely submerge the noodles in the broth. Do not mix it, but make sure all the noodles are under the broth so they can cook completely.
    • Deglaze the pot with the vegetable broth and remove any browned bits. This will help the Instant Pot come to pressure and also prevent the "BURN" signal.
    • Adjust pressure cook time based on the pasta you use. If the package says 8 minutes, pressure cook for 4 mins for well-cooked pasta or pressure cook for 3 mins for al dente.
    spaghetti with mushrooms in 2 white bowls

    More Recipes

    Do you enjoy the ease and convenience of making pasta in Instant Pot? Here are some more pasta recipes:

    • Pasta Caprese 
    • Penne Alla Vodka 
    • Creamy Tomato Pasta 
    • Spicy Taco Pasta 
    • Spinach Mushroom Lasagna 

    FAQ

    How do you store meatless spaghetti with mushrooms?

    The best way to store meatless spaghetti with mushrooms is in the refrigerator in a sealed container. It will stay fresh in the refrigerator for about 2-3 days. This tastes the best fresh out of the Instant Pot.

    Can I add meat to it?

    Yes, you can add your favorite ground meat to this recipe. Add ground beef, turkey, sausage, or chicken. I suggest browning the meat in a skillet on the stove and adding it to the spaghetti at the end.

    How can I make it spicier?

    If you want it to have more spice, sprinkle some red pepper flakes into the broth before you add the noodles.

    Can I use different mushrooms?

    Yes, any type of mushrooms will work. Just make sure you remove the stems and chop them before you put them in the Instant Pot.

    What other noodles can I use?

    You can use any type of noodle that you like. Pay close attention to the cooking times since some noodles (like angel hair) will cook faster than others. My recipe has the cooking times for spaghetti noodles.

    Recipe

    Tried this recipe? We love your feedback.Please click on the stars in the recipe card below
    spaghetti with shiitake mushrooms
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    4.91 from 10 votes

    Instant Pot Spaghetti with Shitake Mushrooms

    Prep Time15 mins
    Cook Time15 mins
    Total Time30 mins
    Course: Entree, Main Course, Main dish
    Cuisine: Italian
    Servings: 6
    Calories: 403kcal
    Author: Archana Mundhe

    Equipment

    • Instant Pot Pressure Cooker

    Ingredients

    • 4 tablespoons olive oil
    • 1 pound shiitake mushrooms about 7 cups destemmed & sliced
    • 1 teaspoon kosher salt
    • ½ teaspoon freshly ground black pepper add more if you like
    • 2 tablespoons garlic minced
    • 4 cups low sodium vegetable broth
    • 1 pound pasta
    • 2 tablespoons parmesan cheese grated
    • 1 tablespoon parsley chopped, optional

    Instructions

    • Turn the Instant Pot on Saute normal mode and heat oil. Add the mushrooms, salt, pepper and give a quick stir. Add 2 tablespoons of water, mix well and cook covered with a non locking lid for 2 to 3 minutes. Take half of the mushrooms out and reserve. Move the remaining mushrooms on one side of the pot and add to the empty surface. Add garlic to the oil and cook it for a minute as it starts to release the aromas.
    • Add ¼ cup of vegetable broth and mix well, deglazing and removing any browning on the bottom of the pot.
    • Add remaining broth, break the spaghetti in half and start layering in a criss cross pattern. This is an important step as it prevents the spaghetti from sticking to each other.
    • Gently press the noodles so they are under the liquids. Do not mix. Layer the reserved mushrooms on top. Close the Instant Pot and pressure cook for 4 minutes followed by quick release.
    • Sprinkle cheese on top and garnish with parsley. Enjoy hot

    Video

    Notes

    • Criss-cross the spaghetti noodles in the Instant Pot. This will prevent them from sticking together.
    • Completely submerge the noodles in the broth. Do not mix it, but make sure all the noodles are under the broth so they can cook completely.
    • Deglaze the pot with the vegetable broth and remove any browned bits. This will help the Instant Pot come to pressure and also prevent the "BURN" signal.
    • Adjust pressure cook time based on the pasta you use. If the package says 8 minutes, pressure cook for 4 mins for well-cooked pasta or pressure cook for 3 mins for al dente.

    Nutrition

    Calories: 403kcal | Carbohydrates: 63g | Protein: 12g | Fat: 13g | Saturated Fat: 2g | Cholesterol: 1mg | Sodium: 509mg | Potassium: 376mg | Fiber: 3g | Sugar: 2g | Vitamin A: 10IU | Vitamin C: 1mg | Calcium: 30mg | Iron: 2mg
    Tried this recipe?Share your photo and tag @ministry_of_curry or tag #ministryofcurry

    Author: Archana

    Hey there! I am a techie turned recipe developer, cooking instructor, and food blogger. I love food and enjoy developing easy and healthy recipes for busy lifestyles. I live in New Jersey with my husband and two sons.
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    1. Shweta says

      January 08, 2021 at 10:22 pm

      This pasta is the BOMB!! Sooo good!! My husband is the fussiest eater you will ever meet, and he couldn’t stop raving about it. My toddler who rarely ever tries any new dish devoured it, too. I didn’t have veg broth so just used water and it came out awesome. Other than that followed the recipe to the T.5 stars

      Reply
    2. Roberta says

      January 10, 2021 at 12:37 am

      LOVED it! Another hit from Archana!! Thank you for your recipes. 🙂5 stars

      Reply
      • Archana says

        January 10, 2021 at 10:59 pm

        Thank you so much Roberta!

        Reply
    3. Vidya Sri Andleigh says

      January 24, 2021 at 5:20 pm

      I just made this pasta for lunch! It was so easy to make and extremely delicious.

      Reply
    4. Manisha g says

      April 19, 2021 at 1:58 pm

      This is my go to now!! It’s so quick and easy and taste amazing!!5 stars

      Reply

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    Hi, I'm Archana: a former software engineer, now a full-time blogger. I am a mother of two boys who share my love for food and cooking. Words I love to hear are, “Mom, what’s for dinner?” The same words I say to my mom every time we speak. I live in the greater New York City Area with my husband and sons.

    Learn More About Me!

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