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    Home » Recipes » Vegan Dinners

    Portobello Mushroom Steaks (vegan)

    Published: Feb 18, 2019 · Modified: Jul 16, 2021 by Kate Hackworthy · This post may contain affiliate links ·

    Jump to Recipe
    These juicy and tender grilled portobello mushroom steaks are AMAZING! They're quick (ready in 15 minutes!), easy, tasty and have all the best flavours of a smokey grilled steak, but vegan. The charred mushrooms have a lovely dense texture that's perfect with the flavourful simple marinade. Vegetarian, vegan and gluten free. Make them on the grill, grill pan, barbecue or in the oven.  #vegansteak #mushroomsteak #valentinesday #vegandinner #easyvegandinner #glutenfreevegan

    These juicy and tender grilled portobello mushroom steaks are AMAZING! They're quick (ready in just 15 minutes!), easy, tasty and have all the best flavours of a smokey grilled steak, but vegan. The charred mushrooms have a lovely dense texture that's perfect with the flavourful simple marinade. Vegetarian, vegan and gluten free. Make them on the grill, grill pan, barbecue or in the oven. 

    Fork taking a bite of mushroom.

    If you're looking for a romantic vegan dinner for two, then you've come to the right place.

    Heck, this dish is even perfect for a non-romantic, rushed post-work Wednesday dinner.

    It's screams "I love you", but it's also quick, easy and tasty. 

    This vegan Valentine's Day dinner is quick, easy and full of flavor.

    You won't be slaving in the kitchen all day.

    Instead it takes just a few minutes to prepare and a few minutes to cook.

    You can have a vegan / vegetarian dinner for two on the table in just 15 minutes! 

    When they cook, the mushrooms release their juices, which mingle with the marinade ingredients creating a lovely jus/sauce with concentrated steakhouse flavours.

    But it's all vegan!

    Serving Suggestions

    Add some fries or mashed potato plus some green veg and you have a flavor-packed easy vegan dinner.

    I love serving these mushroom steaks with roasted radishes!

    Perfect for a romantic meal, or a quick midweek dinner.

    Drizzle with a little Carrot Top Chimichurri or even Carrot Top Pesto.

    Serve with a side of vegan mashed potatoes, swede and carrot mash or roasted swede.

    Add a side of Zax Sauce or this Cane's Sauce Recipe. Both are flavor-packed dipping sauces.

    Try it with a whole roasted cauliflower for a real showstopper of a meal.

    Try with a drizzle of mushroom gravy or vegan gravy.

    Serve with roasted garlic mashed potatoes, baby hasselback potatoes or parmentier potatoes.

    Two plates with marinated grilled mushroom steaks, served with broccolini and fries. Table set for two with this vegan recipe.

    What is vegan steak made of?

    You can find premade vegan steaks in many supermarkets, and they're likely to be a highly processed mixture of soy, seitan, microprotein, vital wheat gluten or other unusual ingredients.

    I do eat vegan convenience foods sometimes, but for this vegan steak I wanted it to be natural, plant based and with recognizable ingredients.

    I've seen lots of vegan steak recipes with seitan, but my no-seitan vegan steaks are far cheaper, easier to get hold of and less process. 

    This vegan steak is made from large flat mushrooms, marinated in a few simple ingredients then grilled (I used a George Foreman-style clamp grill, but you can use a broiler, grill, griddle pan, barbecue, frying pan of oven. 

    I've made vegan cauliflower steaks often, but I've found that mushrooms give a better look and texture.

    Not that I've ever had an actual meat steak, but to me mushrooms are my favourite vegan steak substitute. 

    Mushroom Steak

    For these portobello steaks, I've marinaded the large flat mushrooms for a few minutes in a few simple ingredients. 

    I've been experimenting with lots of different flavourings in the marinade. Balsamic vinegar is in a lot of mushroom steak recipes, but I found it a bit harsh.

    With the below ingredients, I found the perfect steakhouse flavors in a quick and easy marinade.

    You don't even need to leave the steaks marinading for long. Just brush them with it and when the grill/griddle pan/oven is hot - then whack them on until soft, juicy and tender. 

    Marinade ingredients

    Oil - olive, canola, vegetable,whatever you prefer.
    Soy Sauce - or tamari for gluten free. 
    Onion and garlic powder
    Salt and lots of fresh black pepper
    Liquid smoke (optional) - You can find it in larger grocery stores in the BBQ sauce section, or online at Amazon (afflink).

    Liquid Smoke
    Look for the Stubbs or Colgin brands. Use this stuff very sparingly - just a few drops will give a lovely smokey flavour.

    If you can't get hold of it, don't worry - the portobello steaks will still be delicious without it. 

    How to make Portobello Steaks

    Follow these simple steps for the perfect Portobello Steaks!

    Collage: 1 removing stems from mushrooms,  2 mix the marinade ingredients and 3 brush over the mushrooms.

    Remove the stems from the mushrooms.

    Mix all the marinade ingredients in a dish.

    Brush the mixture over the mushrooms and leave to marinade while the grill heats.

    Collage: 1 grilling the mushrooms, 2 flipped, 3 finished.

    Heat a grill, griddle pan or George Foreman-style grill.

    Add the mushrooms and cook until juicy and tender. If possible, collect the cooking juices to pour over the mushroom steaks on the plate. 

    SCROLL DOWN FOR THE FULL RECIPE

    Close up of a mushroom steak on a plate with broccoli and fries.

    How to enjoy Portobello Steaks

    I love serving these vegan steaks with fries and green veg, but you could also serve them with mashed potato, wedges, polenta or delicious fried gnocchi.

    It's tasty with steamed green veg, but also with turmeric roasted cauliflower.

    Collage of quick vegan dinner recipes.

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    Did you make this recipe? Please let me know how it turned out for you!
    Leave a comment and star rating below and share a picture on Instagram, Twitter or Facebook with the hashtag #veggiedesserts.

    Thanks for checking out my recipe! I love hearing from my readers. You all allow me to do what I love and write this food blog, sharing vegetarian recipes, vegan recipes, vegetable cake recipes, vegan cake and also easy vegan desserts.
    Kate x

    Fork taking a bite of mushroom.

    Portobello Mushroom Steaks

    Kate Hackworthy | Veggie Desserts
    These juicy and tender grilled portobello mushroom steaks are quick, easy, tasty and have all the best flavours of a smokey grilled steak, but vegan.
    5 from 12 votes
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    Prep Time 5 mins
    Cook Time 10 mins
    Total Time 15 mins
    Course Main Meal
    Cuisine American, International
    Servings 2
    Calories 216 kcal

    Equipment

    • Grill pan, griddle, or clamp grill

    Ingredients
     

    • 2 Portobello mushrooms (any large flat mushrooms)
    • 3 tablespoons oil
    • 1 teaspoon soy sauce or tamari for gluten free
    • 1 teaspoon garlic powder
    • 1 teaspoon onion powder
    • ½ teaspoon ground pepper
    • ½ teaspoon sea salt
    • ⅛ teaspoon liquid smoke optional

    Instructions
     

    • Remove the stems from the mushrooms.
    • Add the oil and all seasonings to a large dish and mix. Brush it over the mushrooms, then leave the mushrooms in the remaining liquid to marinade.
    • Heat a griddle pan or clamp grill (like a George Foreman grill). Place the mushroom steaks onto the hot grill and cook until soft and lightly charred. If possible, save the mushroom cooking juices.
    • Alternatively heat a grill/grill pan/bbq/broiler and cook as above. Or, heat the oven to 200c/400f and bake on a tray for 25 minutes or until soft and juicy.
    • Serve with fries or mashed potatoes and steamed broccoli or other veg with the cooking juices poured over the mushrooms.

    Notes

    If you can't get hold of the liquid smoke (in larger grocery stores and online at Amazon), then these portobello steaks are still lovely without it. 
     
    The nutritional information provided is approximate and is created with online calculators. Info will vary based on cooking methods and brands of ingredients used.

    Nutrition

    Calories: 216kcalCarbohydrates: 5gProtein: 2gFat: 21gSaturated Fat: 1gSodium: 759mgPotassium: 324mgFiber: 1gSugar: 2gIron: 0.3mg

    The nutritional information provided is approximate and can vary depending on several factors, so is not guaranteed to be accurate. Please see a registered dietician for special diet advice.

    Tried this recipe?Mention @kateveggiedesserts or tag #veggiedesserts! I love seeing your recreations.

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    Reader Interactions

    Comments

    1. Diane K

      April 18, 2021 at 12:39 am

      5 stars
      Simply awesome! Was in the mood for some portobello mushroom steaks and just wasn't feeling the balsamic vinegar marinade that so many other sites have. I used some smoked paprika and cumin in place of the liquid smoke. Pan grilled them for a while and then sliced them thickly and pan grilled each slice a little. We had them with a side of Spanish rice and a corn/pea mix. Best dinner in a long time!

      Reply
    2. Steph

      January 07, 2021 at 2:20 am

      5 stars
      I just made these mushrooms for dinner with mashed potatoes & salad, so delicious, easy & healthy too! I will definitely be making these into burgers, tacos etc recipes!

      Reply
    3. Jess

      November 20, 2020 at 8:46 pm

      5 stars
      This is such a great recipe! Love it!

      Reply
    4. Susan

      September 06, 2020 at 2:35 am

      5 stars
      Thanks for posting this gem! Made this tonight. Subbed 1 tsp smoked paprika for liquid smoke because that’s what I had. Definitely will make again!

      Reply
    5. Carla

      July 04, 2020 at 10:08 pm

      5 stars
      I grilled these according to your recipe and then chopped the mushrooms into pieces and further cooked them with some onion slices and vegan cheese. I put all that on a fresh baguette with vegan mayo and it made an *amazing* Philly cheesesteak. Thanks for this recipe. It's a keeper!

      Reply
    6. Stacey

      January 20, 2020 at 5:27 am

      5 stars
      I just made this tonight! oh-M-gEE they were amazing! Clearly going on rotation In our house!

      Reply
    7. Demeter

      February 19, 2019 at 1:18 pm

      5 stars
      This was so perfect for a weekday date night in! We loved the flavors and didn’t want to stop eating it!

      Reply
    8. kim

      February 18, 2019 at 1:18 pm

      I love this healthy meal idea! So nutritious and tasty too!

      Reply
    9. Veena Azmanov

      February 18, 2019 at 1:00 pm

      5 stars
      Presentation to this dish is so perfect. Sure to be delicious too. Wish to grab a bite of this Mushroom steak for Dinner someday.

      Reply
    10. Jack

      February 18, 2019 at 12:14 pm

      5 stars
      Wow great recipe, I love that is a vegetarian grilled dinner 🙂

      Reply
    11. Noelle

      February 18, 2019 at 11:29 am

      5 stars
      I love portobello mushrooms! Great idea to make them as the main course of a meal, will be making soon! Thank you

      Reply

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    Hi, I'm Kate, a journalist, author and multi-award-winning food blogger. I hope you enjoy my vegetarian and vegan recipes. About Me

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    Kate Hackworthy in the kitchen

    Hi, I'm Kate, a journalist, author and multi-award-winning food blogger. I hope you enjoy my vegetarian and vegan recipes. About Me

    Collage of press logos.

    Popular recipes

    • The BEST Easy Red Lentil Dahl
    • Easy Naan Bread Recipe (yeast-free)
    • Mini Baked Potatoes
    • Easy Lentil Soup

    Healthy Recipes

    • Butternut Squash Salad
    • Easy Healthy Cabbage Soup
    • Easy Vegan Ramen (15 minutes)
    • Rajma Masala (Kidney Bean Curry)

    My cookbook

    Veggie Desserts and Cakes Cookbook cover.

    Check out my Veggie Desserts Cookbook, full of tasty desserts with vegetables!

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