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Italian Mushrooms

Only four ingredients create a rich and flavorful side dish that we love to eat with beef and mashed potatoes. —Kim Reichert, St. Paul, Minnesota
  • Total Time
    Prep: 10 min. Cook: 4 hours
  • Makes
    6 servings


  • 1 pound medium fresh mushrooms
  • 1 large onion, sliced
  • 1/2 cup butter, melted
  • 1 envelope Italian salad dressing mix


  • In a 3-qt. slow cooker, layer mushrooms and onion. Combine butter and salad dressing mix; pour over vegetables. Cover and cook on low until vegetables are tender, 4-5 hours. Serve with a slotted spoon.
Nutrition Facts
1/2 cup: 99 calories, 8g fat (5g saturated fat), 20mg cholesterol, 281mg sodium, 6g carbohydrate (3g sugars, 1g fiber), 3g protein.

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  • nblibrary
    Feb 16, 2020

    Our family didn't care for this side dish. Although we aren't big fans of most mushroom recipes, this seemed like one we might like. I can see how mushroom lovers might feel differently than us though.

  • rebelwithoutaclue
    Feb 6, 2020

    I used a dry package of garlic herb dressing mix. You can tailor this recipe so many was to compliment the rest of your meal.

  • K
    Nov 10, 2019

    I converted this to an Instant Pot recipe by using 1.5 lbs of mushrooms, added 1 cup of chicken broth, but otherwise the same. The dressing mix can easily be ranch, if you prefer, or some other mix (even Guacamole mix!). I set it to manual high for 2 minutes. By the time it came up to pressure and then cooked for 2 minutes, and then quick release, it was just right for my boyfriend, who loves anything with big mushrooms in it. A little soupier, perhaps, but the extra liquid was perfect for the steak and potatoes I was serving. In future, I'd use less of the packet because it was a tad salty. You can always add more once cooked, but you can't take it away!

  • Jay
    Sep 1, 2019

    Really good next time I would use less butter ...going to try them next with ranch

  • Carol
    May 20, 2019

    No comment left

    Mar 8, 2018

    Without the onion, this is one of my family's favorite appetizers! Have switched out Italian for Ranch depending on what's on hand and it's great either way. Double the mushrooms and leave the rest alone if the flavor is a little too strong/salty. Had never thought to use as a side dish but will now :)

  • Jennifer
    Jan 24, 2018

    Awesome. Easy. But only used 1/2 cook time crock pot. And turned off. And let set .Perfect on my blue cheese burgers!!! With sliced sliced Swiss cheese and avocado, tomato, spinach....My question... I make a ton of frozen foods for my elderly parents. Do you think this mushroom dish can be frozen in a freezer bag? So they can add to whatever?...

  • Maggi
    Nov 20, 2017

    This was good, but not GREAT! I just added 1/4 cup of dry red wine to the mix and the GREAT happened! I served it with pot roast and got raves. I just eat it by itself. (Oh, yes, I also once added it to some bland mushroom soup. Souper!

  • Loiscooks
    Nov 17, 2017

    This is the way I will make mushrooms from now on. These were delicious. Thank you for sharing this great recipe!

  • Stan
    Jul 13, 2017

    Why serve it with a slotted spoon? Then you loose all the good juices that is good for potato gravy.