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    Home » Sides, Soups and Stews » Vegan Stuffed Mushrooms with Mashed Potatoes

    Vegan Stuffed Mushrooms with Mashed Potatoes

    Published: Dec 2, 2020 · Modified: Nov 24, 2022 by Jessica

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    These vegan stuffed mushrooms are filling and make for a delicious healthy appetizer. Their creamy mashed potatoes stuffing is absolutely mouthwatering! Easy to make yet so elegant!

    On a rectangular white plate, there are a few leaves of lettuce topped with 4 vegan stuffed mushrooms with mashed potatoes.

    My mom used to make stuffed mushrooms all the time growing up. I cannot quite remember what flavor they were made of, some sort of garlicky filling, but I do recall being eager to grab my first one.

    And these stuffed mushrooms were not only kept for fancy gatherings. They would be part of a regular simple dinner. Because that's the thing about stuffed mushrooms: they are so easy to make, cook extra quickly and you can fill them with what you like. So, sumptuous stuffed mushrooms for a weekday dinner, why not?

    On parchment paper, you can see a few mushroom that are stuffed with a mashed potatoes mixture and that were just taking out of the oven.

    I actually started to make these stuffed mushrooms to find more ways to eat potatoes. My husband is begging me to eat them more (this is what being married to a Prince Edward Island blooded boy means), so filling mushrooms with creamy and luscious potatoes sounded like the perfect match.

    And dang, they are so delicious. Be ready to see them disappear within a few minutes.

    Not only is the potatoes filling so addictive, but there is something so unique and delicious about tender mushrooms. When you cook mushrooms whole in the oven, they lose some of their water to become chewy and rich in umami flavor, so yummy.

    On parchment paper, you can see a few mushroom that are stuffed with a mashed potatoes mixture and that were just taking out of the oven.

    The umami or savory flavor is recognized as the broth-like or meaty fifth taste, after the classic sweet, sour, salty and bitter. You can find umami in mushrooms, tomatoes, many other vegetables, soy sauce, miso and of course, meat. The umami flavor is great at making sure a meal is satisfying, especially the plant based ones. And these umami packed little bites will sure satisfy your big flavor cravings!

    Pssst... You should read the plant-based umami: the secret to creating delicious, vegan food amazing article to learn more about vegan cooking and umami flavor!

    On a rectangular white plate, there are a few leaves of lettuce topped with 4 vegan stuffed mushrooms with mashed potatoes.

    How to make these vegan stuffed mushrooms

    This recipe is made within 4 easy steps:

    1. Mash cooked potatoes until silky and creamy.
    2. Make a savory garlic mixture and combine with the mashed potatoes to flavor them.
    3. Stuff the mushroom caps.
    4. Cook in the oven for 20-25 minutes until browned and crispy.
    • There are mashed potatoes being stirred in a white bowl.
    • There are chopped mushrooms, garlic and onion cooking in a large pan and being stirred by a wooden spoon.
    • In a white bowl, there is a mixture of onion-garlic-mushroom being incorporated in a mashed potatoes mixture. You can see a hand holding a spoon and stirring in the bowl.
    • On parchment paper, there are a few mushrooms that were just stuffed with a mashed potatoes mixture and waiting to be cooked in the oven.

    Tips when making these vegan stuffed mushrooms

    • Choose big enough mushrooms to hold the filling.
    • Be gentle when removing the stems from the mushrooms. You do not want to break the mushrooms and try to keep the walls intact so the filling does not leak.
    • When you prepare the mashed potatoes, try to keep them from getting too runny, again, so the filling does not leak. Mash the potatoes first with a masher to remove as much lumps as you can and then, add some plain almond milk, 1 tbsp at the time, until you reach a creamy texture, but that still holds well together.
    • You can stuff the mushrooms using a spoon, but it is so much easier (and the result looks better) to use a plastic bag.
    • To make the mushroom stuffing quicker if serving during gatherings or busy weekday nights, then don't hesitate to prepare the mashed potatoes filling ahead of time and keep the stuffing for the last minute.
    • After cooked, you can add a good sprinkle of this easy vegan parmesan cheese!
    There is a hand holding a stem-less mushroom that is being stuffed with a mashed potatoes mixture. You can see more mushrooms in the background waiting to be stuffed.

    How to fill the mushrooms

    • Fill a large plastic bag with the mashed potatoes mixture and seal the bag removing the extra air.
    • Using your hands, push the potatoes towards one of the corner of the bag.
    • Make sure all of your mushrooms are cleaned and ready to be filled and place them a parchment paper covered baking sheet.
    • When ready to fill the mushrooms, cut a small opening on the corner of the bag where the mashed potatoes is compressed. And fill the mushrooms all the way to the top.
    There is 2 mashed potatoes stuffed mushrooms on a white plate. One of the 2 has a bite taken in it. You can see more stuffed mushrooms in the background.

    Other potato recipes

    • Lentil stuffed baked potato
    • Vegan white Queso
    • Miso oven-baked potatoes
    • Vegan lentil Shepherd's pie
    • Sweet potato granola
    • Mashed purple sweet potatoes
    • Vegan Hash Browns
    • Vegan twice baked potatoes

    I hope you liked these vegan stuffed mushrooms as much as we do! If you try them, please leave a comment below and rate the recipe to let me know how they were.

    Let's stay in touch with Instagram, Pinterest and Facebook. Also, don't forget to subscribe to my newsletter to be sure not to miss anything.

    On a rectangular white plate, there are a few leaves of lettuce topped with 4 vegan stuffed mushrooms with mashed potatoes.

    Vegan Stuffed Mushrooms with mashed potatoes

    These mashed potatoes stuffed mushrooms are so tasty with their creamy filling and chewy mushrooms. They make for a perfect appetizer or a side dish. Plus, it's vegan, gluten-free and healthy.
    PRINT RECIPE PIN RECIPE
    Prep Time15 mins
    Cook Time40 mins
    Total Time55 mins
    Servings 20 mushrooms
    Author Jessica Laroche

    Ingredients
      

    • 2 cup yukon potatoes - peeled and quatered
    • 1 tbsp nutritional yeast
    • 2-3 tbsp unsweetened plain non dairy milk - or more if needed
    • salt and pepper - to taste
    • 1 tbsp vegan butter - optional
    • ½ cup white onion - diced small
    • 2 large clove of garlic - crushed
    • 2x 8 oz white or cremini mushrooms (or 20 mushrooms) - cleaned and stems removed

    Instructions
     

    Make the mashed potatoes:

    • Boil the potatoes until they are cooked through, about 15-20 minutes. Drain well.
    • While the potatoes are cooking, remove the stems from the mushrooms. Set the mushrooms aside and dice the stems.
    • In a medium bowl, mash the cooked potatoes with vegan butter (if using), nutritional yeast, salt, pepper and plain almond milk (1 tbsp at the time). Mash until creamy, but thick enough so it holds well in the mushrooms while cooking. Set aside.
    • In a medium pan, cook the onions on medium heat until tender (about 3 minutes). Add the garlic, chopped stems and a good pinch of salt and cook for 3-5 more minutes while stirring. Transfer the mushroom mixture to the mashed potatoes and stir to combine. Set aside.

    Stuff the mushrooms:

    • Pre-heat the oven at 375°. Cover a baking sheet with parchment paper.
    • Stuff the mushrooms with the mashed potatoes mixture and transfer them on the parchment paper. Keep going until you filled all the mushroom cavities.
    • Cook in the oven for 20-25 minutes or until the mushrooms are tender (time will depend on the size of the mushrooms). Eat right away.
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    ABOUT JESS


    Profile picture for Plant Based Jess in the kitchen.

    Hi there! I’m Jessica, a pasta obsessed French Canadian now living in beautiful Maine. I’m a mom of two, experienced foodie and ninja meal planner. I believe everyone can make stress-free plant-based meals with wholesome ingredients that your family and friends will love. 

    Join me in my kitchen to discover fun and creative recipes or click to find out more. Welcome!

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