Easy Garlic Butter Roasted Mushrooms are an easy yet impressive gluten free side dish recipe that are totally mouthwatering!

easy garlic butter roasted mushrooms on the side of a plate
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Need an easy way to liven up dinner tonight?

Easy Garlic Butter Roasted Mushrooms. 

That’s it. That’s the answer. LOL.

Seriously, this easy, 3 ingredient (plus salt and pepper) mushroom side dish will make your mouth water in a way that only garlic and butter can. Make them once and I promise you’ll never stop!

Watch How to Make Them

Easy + Delicious One Pan Side Dish

Delicious side dish staples are tough to come by. Often they take a little bit of fuss that I don’t want to deal with and/or it’s a side salad which, let’s be real, isn’t very exciting.

Side salad: I’m just not that into you. There, I said it.

Anyway pair said side salad with Easy Garlic Butter Roasted Mushrooms and you’ve got yourself one heck of an epic dinner accompanying duo.

easy garlic butter roasted mushrooms in a skillet

Whole mushrooms are topped with melted garlic butter then sent into the oven to roast until tender on the inside, and slightly crisp on top.

Trust me when I tell you to make a double batch!

easy garlic butter roasted mushrooms on a plate with lemon chicken

How to Make Easy Garlic Butter Roasted Mushrooms

Start with a 16oz container whole mushrooms – baby bellas, white, or otherwise – they all roast up deliciously.

Easy-Garlic-Butter-Roasted-Mushrooms-iowagirleats-04

Gently wash away the dirt on the outside of the mushrooms then trim the stems to be flush with the caps and pat dry with a kitchen towel.

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Add 1/4 cup butter and 4 cloves minced garlic to a small dish then microwave until melted, about 30 seconds. I adore garlic so four cloves is the right amount for me, but if you’re a little sensitive I’d go with two or three.

I’ve also made this dish with vegan butter, and it’s just as delicious!

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While you’re washing and prepping the mushrooms, pop a large cast iron skillet into the oven then preheat it to 400 degrees. The hot skillet causes the bottoms of the mushrooms to sizzle when placed inside, giving them a good sear from the get go.

If you don’t have a cast iron skillet you can use a pie pan or baking dish. You won’t need to preheat those first though.

Place the mushrooms into the preheated skillet stem side up then spoon the garlic butter on top, taking care to try and contain the garlic to the top of the mushrooms vs letting it fall down into the skillet or pan which could cause it to burn in the oven.

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Season with salt and pepper then roast for 25-30 minutes, basting the mushrooms with the butter in the bottom of the skillet halfway through.

easy garlic butter roasted mushrooms in a skillet

Easy Garlic Butter Roasted Mushrooms are up! If you’re a mushroom lover like me then you’ve got to make this recipe ASAP. Enjoy!

easy garlic butter roasted mushrooms on a plate with chicken

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Easy Garlic Butter Roasted Mushrooms

4.8 from 13 votes

by Kristin Porter

Prep: 10 minutes
Cook: 30 minutes
Total: 40 minutes
Servings: 4
Easy Garlic Butter Roasted Mushrooms are an easy yet impressive gluten free side dish recipe that are totally mouthwatering!

Ingredients

  • 1/4 cup butter, or vegan butter
  • 4 cloves garlic, pressed or minced
  • 16 oz mushrooms, white or baby bella
  • salt and pepper

Directions 

  • Place a large cast iron skillet into the oven then preheat oven to 400 degrees. If you don’t have a cast iron skillet you can use a pie pan or casserole dish – do not preheat either of those.
  • Wash and dry the mushrooms then trim the stems so they are flush with the cap of the mushroom.
  • Add butter and garlic to a small dish then microwave until melted, 30 seconds. Place mushrooms stem side up in the preheated skillet (or baking dish if using). Spoon the garlic butter over each cap, taking care to get garlic on the mushroom vs skillet or baking dish or the garlic can burn. Season the mushrooms with salt and pepper then roast for 25-30 minutes or until the mushrooms are tender, basting with the butter in the bottom of the skillet halfway through. Serve immediately.

Nutrition

Calories: 131kcal, Carbohydrates: 5g, Protein: 4g, Fat: 12g, Saturated Fat: 7g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 3g, Trans Fat: 0.5g, Cholesterol: 31mg, Sodium: 97mg, Potassium: 376mg, Fiber: 1g, Sugar: 2g, Vitamin A: 355IU, Vitamin C: 3mg, Calcium: 12mg, Iron: 1mg

Nutritional values are estimates only. Please read our full nutrition information disclaimer.

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82 Comments

  1. Bella Hardy says:

    4 stars
    I finding this garlic butter roasted mushrooms recipe for a long time. This dish is also gluten-free, paleo friendly, low-carb and I love it! Thx for sharing!

  2. Isabella says:

    5 stars
    Soooo good! Since finding this recipe I’ve made these at least once a week with a little extra butter and then I mix it all into angel hair pasta to turn it from a side dish into the main course! Everyone who’s tried it (my boyfriend and my family) has loved it, so easy and so delicious!

  3. Jill Roberts @ WellnessGeeky says:

    5 stars
    These easy garlic butter roasted mushrooms are so Instagrammable and adorable! I’m also gonna pin this post on my Pinterest board my followers will love it. Thanks for sharing, Kristin!

  4. Stacy C says:

    5 stars
    Just made these tonight and served with prime rib. Excellent flavor and perfectly paired :)

  5. Bonnie says:

    5 stars
    Just made these after jumping to the recipe from your most recent shrooms post … My husband LOVED them. Before cooking, I asked if he’d eat them leftover, and he said yes, so I made the whole basket of mushrooms. There wasn’t one leftover and he’s the only mushroom eater. I need two ovens on Thanksgiving if I’m going to prepare the recipes of yours that I’d like to.

  6. Liubov says:

    5 stars
    Looks nice, tastes good, thanks

  7. Jessica says:

    4 stars
    SO easy to make and it turned out delish.

  8. wanda church says:

    i have to tell you, these were AHMAZING!!!! WOW… this is definitely a new favorite

    1. Kristin says:

      Yeah!! So glad you loved them, Wanda!

  9. Liz says:

    Do you think adding some panko bread crumbs ontop during the last 5-8 mins of cooking would be good? Looking to add a bit of crunch to them!

  10. Debi Woody says:

    Everyone loved them! I will be making them again. So simple!

  11. Vicki says:

    Sounds delish, will most certainly try this recipe !

  12. Samantha says:

    I wasn’t sure what I’d think, but these were AMAZING and left my husband and I raving. New staple food for my home, THANK YOU

  13. Ritu Tangri says:

    I was looking for some rest mushroom snack. This baked mushroom with garlic butter seems awesome. Will make it ASAP