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    Recipes » Appetizers » Marinated Mushrooms

    Marinated Mushrooms

    Published: Oct 7, 2021 · Modified: Apr 26, 2022 by Kate Shungu · This post may contain affiliate links

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    Jump to Recipe
    glass jar of marinated mushrooms.
    glass jar of marinated mushrooms.
    toothpick holding up a marinated mushroom.

    Marinated Mushrooms are a simple appetizer or fun addition to an antipasto platter! They’re easy to make and packed with Italian flavor.

    marinated mushrooms in a glass jar.

    Mushrooms—love them or hate them? If you’re reading this, I’m guessing that you fall into the “love them” camp. Me too.

    And I can’t get enough of these easy Italian Marinated Mushrooms. They’re made with just a few ingredients, including a simple shortcut ingredient: two packets of Good Seasons Italian dressing mix.

    After you assemble the ingredients, you just let them sit overnight in the refrigerator for marinated mushroom perfection.

    I love serving them as an appetizer, or nestled among cheese and crackers in an simple cheese board or antipasto platter. Read on for how to make them!

    This post contains affiliate links. Affiliate links support Gift of Hospitality at no additional cost to you. I receive a commission if you choose to make a purchase through these links.

    Jump to:
    • Ingredients
    • How to clean mushrooms
    • Making the vinaigrette
    • How to make Italian marinated mushrooms
    • FAQs
    • How to serve marinated mushrooms
    • 📖 Recipe
    • Related recipes

    Ingredients

    ingredients for marinated mushrooms on a white table.
    • I like using baby bella mushrooms for this recipe. You can also use white mushrooms, which are sometimes called button mushrooms.
    • Yellow onions add flavor to the marinade, and they’re delicious to eat after marinating, too.
    • Good Seasoned Italian salad dressing mix has herbs, spices, and veggies to flavor the mushrooms. We’ll use two packets here.
    • Olive oil and vinegar complete the liquid marinade. You can use vegetable oil or canola oil if you prefer.

    How to clean mushrooms

    To clean mushrooms, take a damp cloth and gently brush any dirt off the mushrooms.

    That’s it! You don’t want to run the mushrooms under water, since that will make them soggy.

    For this recipe, you’ll also want to either halve or quarter the mushrooms, depending on how big they are. They should be bite-size after cutting.

    baby bella mushrooms on a cutting board with a knife.

    Making the vinaigrette

    To make the vinaigrette, gently whisk together the olive oil, white vinegar, water, salt, and Italian dressing mix.

    Two packets of dressing mix adds the perfect amount of flavor.

    glass pitcher with italian dressing, next to two packets of italian dressing mix.

    If you don’t have olive oil, you can use canola oil or vegetable oil instead.

    If you don’t have white vinegar, you can use white wine vinegar, apple cider vinegar, or champagne vinegar for this recipe.

    How to make Italian marinated mushrooms

    After cleaning and slicing the mushrooms into halves or quarters, place them into a large bowl. I suggest using a glass storage bowl with a lid to make it easier to store them.

    Slice the onion into thin slices, and add those to the mushrooms.

    Pour the prepared vinaigrette over the top and toss gently to coat.

    mushrooms and onion coated with dressing in a glass bowl.

    Cover the bowl and place in the refrigerator for at least 8 hours, or overnight. Shake the bowl occasionally if you can.

    After 8 hours, the mushrooms and onions will have absorbed some of the marinade and will have reduced in size.

    marinated mushrooms and onions in a glass dish.

    Now they are ready to serve!

    FAQs

    What can I substitute for the olive oil?

    Vegetable oil, canola oil, or corn oil can be substituted for olive oil.

    What can I substitute for white vinegar?

    Apple cider vinegar, white wine vinegar, or champagne vinegar can be substituted for white vinegar.

    How can I use leftover marinade?

    Leftover marinade makes a great dressing for pasta salad, or as a vinaigrette for a leafy green salad.

    How can I make this gluten-free?

    Good Seasons dressing mix contains wheat from soy sauce. To make this recipe gluten-free, look for a dressing mix that doesn’t contain wheat, or make your own using a homemade dressing mix (use the dry ingredients from the only, and follow the instructions below to create the vinaigrette).

    How long can you marinate mushrooms?

    Marinated mushrooms will keep in the refrigerator for up to one week.

    How to serve marinated mushrooms

    I like transferring the mushrooms and onions to ceramic dishes for serving.

    hand holding a toothpick picking up a marinated mushroom.

    If you are serving them as an appetizer, place some toothpicks on the side, which makes them easy for people to pick up.

    Here are a few additional serving suggestions for marinated mushrooms:

    • on their own as an appetizer or side dish
    • on top of a green salad
    • in a pasta salad
    • on a cheese/charcuterie board (here’s a simple how-to for creating one) or antipasto platter

    Store any leftover mushrooms in glass jars in the refrigerator. They will keep for up to one week.

    glass jar filled with marinated mushrooms with fresh parsley in the background.

    Have you tried this recipe? Please leave a ⭐️⭐️⭐️⭐️⭐️ rating and/or comment below!


    cup of ambrosia and slice of banana cake.

    📖 Recipe

    marinated mushrooms in a glass jar.

    Marinated Mushrooms

    Published by Kate
    These Italian marinated mushrooms are an easy appetizer or side dish. They're packed with flavor and the perfect balance of savory and tangy.
    5 from 1 vote
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    Prevent your screen from going dark
    Prep Time 15 mins
    Cook Time 0 mins
    Marinating time 8 hrs
    Total Time 8 hrs 15 mins
    Course Appetizer
    Cuisine American
    Servings 10
    Calories 139 kcal

    Ingredients
      

    • 2 (8 oz) packages baby bella mushrooms
    • 2 small yellow onions
    • 2 (0.7 oz) packets Good Seasons Italian dressing mix
    • ⅔ cup olive oil
    • ⅓ cup white vinegar
    • ¼ cup water
    • ½ teaspoon salt

    Instructions
     

    • Clean dirt off mushrooms with a damp rag or paper towel. Cut large mushrooms into quarters and smaller mushrooms in half.
    • Peel onions and slice into thin rings. Place the mushrooms and onions in a dish with a lid (such as a plastic or glass dish that you use for leftovers).
    • In a medium bowl, whisk together the Italian dressing mix, olive oil, vinegar, water, and salt.
    • Pour over the mushrooms and onions, cover the dish with a lid, and shake gently to coat. Place in the refrigerator, and allow to marinate for at least 8 hours.

    Notes

    If serving as an appetizer or on a cheese board, serve with toothpicks.
    Leftover marinade can be used as salad dressing or for pasta salad. 
    The mushrooms will keep in the refrigerator for up to one week.

    Nutrition

    Calories: 139kcalCarbohydrates: 2gProtein: 1gFat: 14gSaturated Fat: 2gPolyunsaturated Fat: 2gMonounsaturated Fat: 11gSodium: 139mgPotassium: 50mgFiber: 1gSugar: 1gVitamin A: 1IUVitamin C: 2mgCalcium: 7mgIron: 1mg
    Keyword marinated mushrooms
    Tried this recipe?Follow me at @giftofhospitality and let me know how you liked it!

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    • Simple Cheese Board
    • Marinated Vegetable Salad
    • How To Build a Cheese Board
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    About Kate

    I’m a believer, wife, mom, and big fan of old cookbooks. I live in Chicago with my husband and two young sons. I love discovering old fashioned recipes that will transport you back in time! Read more...

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    Kate from Gift of HospitalityI’m Kate. I love discovering old fashioned recipes that will transport you back in time. Learn more here
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