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Home » Recipes » Vegetable Side Dishes

Oyster Mushrooms Rockefeller

Published: Aug 27, 2023 Last Updated: Jan 2025 by Lindsay This post may contain affiliate links to products I use and enjoy. 20 Comments

Jump to Recipe
5 from 56 ratings
Oyster Mushrooms Rockefeller recipe from funnyloveblog.com
Oyster Mushrooms Rockefeller recipe from funnyloveblog.com

Oyster Mushroom Rockefeller is the most delicious vegetarian oysters Rockefeller. Toasty, slightly-slimy mushrooms, garlicky, buttery spinach, and crispy bread crumbs on top. This is a lovely side dish but also really nice on toast for an appetizer or lunch. I like to serve this alongside cast iron skillet strip steak and homemade crusty bread for scooping.

Cast iron skillet of vegetarian oyster mushrooms rockefeller.

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FINALLY VEGETARIANS CAN HAVE SOMETHING SLIMY TOO!  

I know, you're welcome.  

In our house, we have this thing: Jay doesn't like mushrooms but he'll definitely come to play with an oyster mushroom. I don't like oysters unless they're baked into some kind of cool delicious flavor situation.

In this recipe, everyone wins! We have the classic flavors of oysters rockefeller: fresh spinach and parsley, parmesan cheese, garlicky breadcrumbs. But, instead of oysters or any bite-sized assembly, we arrange everything in a gorgeous skillet with oyster mushrooms. YUM.

Jump to:
  • Recipe Notes and Vegan/GF Variations
  • Ingredients and Ingredient Variations
  • Step by Step Instructions
  • Mushrooms Rockefeller Recipe FAQ
  • Serving Suggestions
  • Make Ahead and Leftover Storage
  • More Yummy Vegetable Side Dishes
  • Did You Try This One Yet?
  • Recipe

Recipe Notes and Vegan/GF Variations

  • So, this is Easy Mushroom Rockefeller (oyster mushrooms rockefeller), with a big hunk of oyster mushrooms. The base is pretty classic - butter, spinach, parsley, garlic, bread crumbs and parm.  The mushrooms get roasted the in the drippings from the garlic (garlic butter, guys, garlic butter), and it's a mushroom side dish, salad, appetizer (over bread duh), or lunch.  You pick!
  • You can make this vegan by using vegan butter and skipping the parm OR using nutritional yeast instead of Parmesan cheese.
  • This recipe is gluten free as long as you use GF breadcrumbs.
  • For timing, this entire dish takes about 30 minutes. I also like to make this in advance up to the final baking step, then doing just the baking right before serving.

Ingredients and Ingredient Variations

Ingredients for oyster mushrooms rockefeller on brown wooden board.
  • You need a big mountain of oyster mushrooms, so wait for them to go on sale.  You could OF COURSE make this with other mushrooms, any kind you like. A wild mushroom blend or chopped portobello mushroom caps would work beautifully and be a bit more affordable.
  • Butter, for lots of flavor. Preferably salted, but use what you have.
  • Garlic, fresh if you have it, or from a jar or tube in a pinch.
  • Fresh Spinach. I like just a few leaves of fresh spinach in this dish, but 2 tablespoons of drained frozen spinach works well too!
  • Fresh parsley, for flavor. If you don't use a ton of fresh herbs, you can skip this.
  • Bread crumbs, parmesan cheese, and salt for a delicious, crispy garlic butter topping.

See the recipe card below for full ingredient list and quantities.

Step by Step Instructions

Small dish with melted butter poured over breadcrumbs.

Step 1: First, preheat the oven to 400F and melt half the butter.  

White dish with garlic panko breadcrumbs.

Step 2: Pour the butter into the bread crumbs and parmesan and stir them gently together with a fork.  Set this aside for later - it tops the dish before we bake it.  

Melted butter with minced garlic in a black skillet.

Step 3: Then, grab a skillet that can go in the oven (you can also transfer to a baking dish, or just get a cast iron skillet. Or use a regular skillet! They can almost all go in the oven up to 450F, no stress.), melt another bit of the butter over medium heat and add the garlic.

Black cast iron skillet with fresh spinach.

Step 4: Let the garlic cook for just one minute, then add the spinach. Sprinkle the dish lightly with salt.

White plate with fresh wilted spinach.

Step 5: Cook the spinach for 1-2 minutes until it starts to wilt, then turn the heat off the skillet and stir in the parsley. Transfer the whole mixture to a plate to hang.

(This is the same plate we started with - look how much the spinach cooks down.)  

Cast iron skillet with light gray king oyster mshrooms.

Step 6: Now, add the last little bit of the butter to the skillet (still hot, but turned off) to melt, then arrange the mushrooms in the skillet in one even layer. They can overlap some; they'll cook down a lot in the oven.  Sprinkle the mushrooms with salt.

Cast iron skillet with mushrooms topped with garlicky breadcrumbs.

Step 7: Spoon the spinach mixture into the skillet over the oyster mushrooms, then sprinkle everything with the breadcrumb mixture.

Cast iron skillet with browned oyster mushroom rockefeller.

Step 8: Bake the dish for 10-15 minutes (depending on your oven and skillet), until the mushrooms are soft and toasty at the edges and the breadcrumbs are toasted.  

Mushrooms Rockefeller Recipe FAQ

Why is it Called Oysters Rockefeller?

Oysters Rockefeller, named for their extreme richness (get it, Rockefeller was rich, so is this dish...), generally have a green sauce or spinach, cheese and/or heavy cream placed directly into oyster shells with oysters, and are broiled until fully cooked. There are lots of variations, but most of them have the same few components.

What is Mushroom Rockefeller?

As the name suggests, mushrooms Rockefeller are prepared nearly the same way as oysters Rockefeller, using mushrooms instead of oysters. The dish is vegetarian and still utterly delicious.

Serving Suggestions

This can be used for so many parts of your meal, and I am telling you, this is the BEST way to enjoy mushrooms. It's got 2 veggies in it, after all, and the parmesan breadcrumb mixture doesn't hurt a dang thing. You. Will. Love. This.

  • This can be made into a meal with some plain white rice and grilled chicken.
  • This is also great alongside blackened salmon!
  • I love this alone with crusty bread as an appetizer or lunch.
Skillet of oyster mushrooms rockefeller topped with garlic breadcrumbs and spinach.

Make Ahead and Leftover Storage

  • To prep this dish in advance, make the entire dish up until the final baking step. Let the skillet cool, then cover the pan and keep it in the fridge until you'd like to serve, then bake it in the oven. You'll probably need to add 5 minutes of baking time to get the bread crumbs nice and toasty if the dish is coming out of the fridge.
  • Leftovers can be reheated in the microwave or in the skillet on the stovetop OR in the oven at 350F until the bread crumbs get crispy again.
Small plate of vegetarian oysters rockefeller.

If you've been looking for a new oyster mushroom recipe, this is your moment! Enjoy this Oyster Mushrooms Rockefeller recipe, you'll LOVE these.  

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Black skillet of oyster mushrooms rockefeller topped with garlic breadcrumbs.

Did You Try This One Yet?

If you make these mushrooms, I'd love to hear! Leave a comment below, or find me on Instagram, Facebook, or Pinterest. You will LOVE this.

Recipe

Cast iron skillet with browned oyster mushroom rockefeller.

Oyster Mushrooms Rockefeller

Lindsay Howerton-Hastings
Vegetarian Oysters Rockefeller using oyster mushrooms with creamy, garlicky spinach and savory breadcrumbs. I mean, YUM.
5 from 56 ratings
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 20 minutes mins
Total Time 30 minutes mins
Course Appetizer, Side Dish
Cuisine American
Servings 4 servings

Equipment

  • Cutting Board
  • Cast Iron Skillet
  • Chef Knife

Ingredients
  

  • 3 tablespoons butter divided
  • ⅓ cup breadcrumbs
  • ⅓ cup grated parmesan cheese
  • 3 cloves minced garlic
  • 3 cups fresh spinach leaves torn or roughly chopped
  • ½ cup fresh parsley leaves
  • salt as needed
  • ½ pound oyster mushrooms separated

Instructions
 

  • Preheat the oven to 400F.
  • Separate the butter into 3 equal parts. Melt 1 tablespoon of the butter and combine it gently with the breadcrumbs and parmesan cheese. Set the mixture aside.
  • In an ovenproof skillet (8-10 inches), heat 1 tablespoon of the butter with the garlic over medium heat. When the butter melts, cook the garlic for 1 minute, then add the spinach with a sprinkle of salt. Stir the spinach to wilt for 1-2 minutes, then stir in the parsley and remove the mixture to a plate to rest. Turn the heat off the skillet and add the last tablespoon of butter.
  • When the butter melts and coats the bottom of the skillet, add the mushrooms in one even layer. Spoon the spinach mixture on top and sprinkle the breadcrumbs over the whole skillet.
  • Bake at 400F for 10-15 minutes, until the mushrooms are wilted and the breadcrumbs have browned. Serve warm as a side dish or over bread as crostini. Enjoy!

Notes

Advance Prep: You can make this entire dish in advance up to the last baking step (skip it for now), then cover the skillet and keep it in the fridge for up to 3 days. To serve, bake the dish as instructed, adding 5-10 minutes to the baking time to be sure the breadcrumbs get nice and crispy.
Oyster Mushroom Variation: This recipe can be made with any mushrooms you like, just watch the cook time to be sure denser/thicker mushrooms have time to cook through.
Gluten Free: Make this gluten free by using GF breadcrumbs in place of the panko.
Tried this recipe?Let me know how it was!

This recipe was originally published in March 2017 and has been updated with better instructions and images.

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Reader Interactions

Comments

  1. Genevieve

    January 22, 2025 at 2:39 pm

    5 stars
    I'm going to share this recipe with my vegan buddy, who loves mushrooms. This recipe looks delicious!

    Reply
  2. Tisha

    January 19, 2025 at 1:34 pm

    5 stars
    I was hesitant because I've never had Oysters before, this recipe was so easy to follow and they turned out amazing!

    Reply
  3. Criss

    January 17, 2025 at 3:34 pm

    5 stars
    I tried this recipe, and the oyster mushrooms Rockefeller is amazing! The flavors are rich and delicious, and it’s such a unique twist on a classic dish. Definitely making it again!

    Reply
  4. Sonja

    January 17, 2025 at 2:58 am

    5 stars
    Look, I was half freaked out by the mention of slimy, more so when it comes to mushrooms, but the fact that they were so easy to make in a skillet tempted me. And they came out so perfectly. I love the crispy breadcrumbs on top!

    Reply
  5. Nicole Kendrick

    January 16, 2025 at 5:04 pm

    5 stars
    This is one of the best vegetarian recipes I've ever made. It really does remind me of the traditional version.

    Reply
  6. Mina

    September 01, 2023 at 9:09 pm

    5 stars
    I'm into garlic and I love anything garlicky! This is perfect!

    Reply
  7. swathi

    August 27, 2023 at 12:54 pm

    5 stars
    Oyseter mushrooms rockafeller looks delicious perfect for any day.

    Reply
  8. Jerika

    August 27, 2023 at 8:02 am

    This Oyster Mushroom Rockefeller fits my diet now. Yum! Thanks.:)

    Reply
  9. Amy Liu Dong

    August 26, 2023 at 8:17 am

    5 stars
    Oh my, this dish looks amazingly delicious and very yummy! The presentation makes it so enticing and tempting! Loved it!

    Reply
  10. Mary

    August 25, 2023 at 5:48 pm

    5 stars
    "VEGETARIANS CAN HAVE SOMETHING SLIMY TOO?" 🙂 🙂 Well I can't wait to try these anyway! Hubby will love them! Thanks.

    Reply
  11. Paula T

    July 19, 2023 at 10:16 pm

    5 stars
    Outstanding!! I just harvested a big flush of pink oysters and was looking for a new recipe to highlight their flavor and texture. This was so delicious. I will definitely make again. Thank you!

    Reply
    • Lindsay

      July 23, 2023 at 8:55 am

      I'm so glad you liked this; it's one of my favorites!

      Reply
  12. Val L

    May 05, 2023 at 2:11 pm

    5 stars
    Very tasty. I made up exactly as described. Thank you!

    Reply
    • Lindsay

      May 10, 2023 at 2:16 pm

      I'm so glad you liked these!

      Reply
      • Summer

        January 22, 2024 at 9:06 pm

        5 stars
        So delicious! I planned on leftovers and ended up eating all of it! I substituted vegan smoked gouda since im allergic to dairy. Omg it was over the top yum!

      • Lindsay

        January 24, 2024 at 9:26 am

        I bet that smoky flavor in the cheese was so good with the mushrooms! What a great swap.

  13. Angela

    October 18, 2022 at 6:49 pm

    5 stars
    I found some locally grown Oyster Mushrooms at a pop up event this past weekend. They had been harvested the night before the show and they were beautiful. I found this recipe and one kther and decided tobtry this one. This is a new Go-To recipe. It is simple, but delicious.
    I used my cast iron skillet and garlic ghee and I am hooked.

    Reply
    • Lindsay

      October 20, 2022 at 9:00 am

      OMG Garlic Ghee sounds SO GOOD for this! Love that. Thank you for sharing!

      Reply
  14. Angela Barnard

    May 20, 2020 at 7:13 pm

    This looks utterly delicious. We don't get oyster mushrooms where I live in Germany, but I will definitely try this recipe with a variety of other available mushrooms. Thanks so much, I'm looking forward to a great meal this weekend!

    Reply
    • funnyloveblog

      May 21, 2020 at 5:01 pm

      I hope you like it! Any other kind of mushroom will work great.

      Reply
5 from 56 votes (43 ratings without comment)

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Image of Lindsay Howerton-Hastings smiling sitting on dark gray couch wearing chambray blue shirt.

Hi! I'm Lindsay. I'm a maternal mental health therapist, a recipe developer, food writer, and taker of all kinds of pictures. Thank you so much for being here! This blog is about how to take care of yourself and your people without taking anything too seriously.

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Oyster Mushrooms Rockefeller recipe from funnyloveblog.com
 

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