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    Home » Recipes » Vegan Main Dishes

    Portobello Mushroom Steak

    Published: May 19, 2021 · Updated: Nov 8, 2022 · This post may contain affiliate links.

    Jump to Recipe - Print Recipe
    portobello mushroom steak
    portobello mushroom steak
    portobello mushroom steak

    This Portobello Mushroom Steak recipe makes a delicious vegan steak that is incredibly easy to whip up. You can make this vegan steak and potatoes recipe any night of the week!

    pan with portobello mushroom steaks and asparagus
    Jump to:
    • How to Make Portobello Mushroom Steak
    • Tips & Tricks for Portobello Mushroom Steak
    • Variations To Portobello Mushroom Steak
    • Portobello Mushroom Steak FAQs
    • More Vegan Recipes
    • Recipe
    • Comments

    These juicy, seasoned portobello steaks are baked with asparagus and then paired with vegan mashed potatoes. Serve them alongside a crisp green salad and some homemade lemonade. You could also serve them with some rice and green beans.

    There are so many delicious options for meatless dinners! Lately I've been loving these Vegan Sloppy Joes, this Lentil Shepherd's Pie, and these Tofu Enchiladas with Sweet Potato in Mole Sauce. But, I think these Portobello Mushroom Steaks are turning into my new favorite!

    This Portobello Mushroom Steak recipe is…

    • Vegan
    • Naturally gluten-free
    • Vegetarian
    • Ready in 30 minutes
    • Simple to make
    • Made with everyday ingredients
    • Versatile

    How to Make Portobello Mushroom Steak

    how to make portobello mushroom steak collage
    1. Preheat oven and prepare the mushroom marinade.
    2. Prep mushrooms, then place in baking dish.
    3. Brush with marinade & bake, flipping both sides.
    4. Serve warm and enjoy!

    Full directions for how to make Portobello Mushroom Steak are in the printable recipe card below.

    Tips & Tricks for Portobello Mushroom Steak

    fork and knife cutting into a portobello mushroom steak

    Baking Time

    Depending on the size of your mushrooms, the bake time will vary. Make sure you use the baking time in the recipe as a guide. You will need to check on your mushrooms to make sure they are cooked to your preference.

    Cooking Vegetables

    I added asparagus to my baking dish as an extra side, but adding asparagus to the pan is optional. Alternately, you could add other different vegetables into your baking dish. Broccoli, snap peas, Brussels sprouts, and more would all be tasty.

    Mushroom Marinade

    Once you baste the mushrooms, pour the remainder of the marinade into the baking dish. As the mushrooms bake, they will soak up the additional marinade flavor. The extra marinade also provides a nice texture to the outside of the baked mushrooms.

    Variations To Portobello Mushroom Steak

    piece of portobello mushroom steak on a fork

    Seasoning the Steaks

    I used a simple marinade, but you are welcome to change it up using ingredients you prefer. I find this marinade to have a savory and tangy flavoring that makes these steaks really stand out. If you are looking for a different flavor profile, feel free to alter the ingredients to match your flavor preference.

    Adding Vegetables

    Cook your mushrooms with different vegetables. Broccoli, cauliflower, carrots, or even green beans could be a delicious swap for the asparagus!

    Portobello Mushroom Steak FAQs

    portobello mushroom steaks on a plate with mashed potatoes and asparagus

    How do you know when mushroom steaks are cooked?

    Your steaks are done once they have browned up a bit in the oven. You will want to bake the steaks to your preference of doneness. Since there is no meat in this recipe, you can cook the mushrooms as long or little as you prefer.

    How do you store leftover mushrooms?

    Place your cooked mushrooms in an airtight container and store them in the fridge for 2–3 days. You will find that after 3 days the mushrooms begin to get a bit softer in texture.

    How do you reheat mushroom steaks?

    I find that reheating mushrooms steaks in the oven or even a skillet on the stove helps to give them a better texture. You can reheat them in the microwave, but the mushrooms will be a bit softer in texture.

    More Vegan Recipes

    If you love this portobello mushroom "steak" recipe, be sure to check out these other delicious ideas:

    • Grilled Citrus Cauliflower "Steaks"
    • Easy Vegan Mashed Potatoes
    • 50+ Healthy Vegan Dinner Recipes

    Recipe

    portobello mushroom steak

    Portobello Steak with Mashed Potatoes

    This Portobello Mushroom Steak recipe makes a delicious vegan steak that is incredibly easy to whip up. Make this vegan steak and potatoes recipe for any night of the week!
    5 from 25 votes
    Print Pin Rate Email
    Course: Main Course
    Cuisine: American
    Diet: Gluten Free, Vegan, Vegetarian
    Keyword: portobello mushroom steak, portobello steak, vegan steak, vegan steak and potatoes
    Prep Time: 15 minutes minutes
    Cook Time: 15 minutes minutes
    Total Time: 30 minutes minutes
    Servings: 2 servings
    Calories: 624kcal
    Author: Veg Kitchen

    Ingredients

    Portobello steaks

    • 4 large Portobello mushrooms
    • ⅓ cup balsamic vinegar
    • ¼ cup olive oil
    • ½ tsp cumin
    • ½ tsp black pepper
    • ½ tsp smoked paprika
    • 3 cloves garlic
    • 1 tbsp vegan-friendly steak seasoning
    • salt to taste

    Mashed Potatoes

    • 3 small potatoes
    • 1 tbsp olive oil or vegan butter
    • ½ tsp salt
    • ½ tsp black ground pepper
    • 1 tsp thyme or rosemary optional

    Optional:

    • 1 bunch asparagus
    US Customary - Metric

    Instructions

    • Preheat the oven to 400°F.
    • In a large bowl, make the portobello marinade. Combine the olive oil, balsamic vinegar, spices, and garlic.
      portobello mushroom steak
    • Place portobellos and asparagus in a large oven-safe skillet. With a pastry brush, generously brush the marinade over the tops and bottoms of the mushrooms and asparagus.
      portobello mushroom steak
    • Arrange mushrooms top side down and pour the remaining marinade over them. Bake for 20 minutes. Remove from oven, flip, and bake another 5–10 minutes or until mushrooms are cooked all the way through.
      portobello mushroom steak
    • For Potatoes: Wash and peel the potatoes. Bring them to boil and cook until tender, about 15 minutes. Mash the potatoes using a potato masher or a hand blender. Add olive oil, black pepper, and salt, to taste. Add fresh herbs just before serving.
      portobello mushroom steak
    • Enjoy!
      portobello mushroom steak

    Nutrition

    Calories: 624kcal | Carbohydrates: 71g | Protein: 15g | Fat: 34g | Saturated Fat: 5g | Trans Fat: 1g | Sodium: 675mg | Potassium: 2260mg | Fiber: 13g | Sugar: 17g | Vitamin A: 2065IU | Vitamin C: 66mg | Calcium: 144mg | Iron: 9mg
    Vegan-ize any recipe!Grab our free vegan cheat sheet, packed with my favorite easy substitutions to make any recipe vegan.

    More Vegan Main Dishes

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      Vegan Sloppy Joes - with Pinto Beans and Quinoa!
    • vegan cream of asparagus soup
      Vegan Cream of Asparagus Soup
    • vegan greek pasta salad
      Vegan Greek Pasta Salad
    • vegan creamy mushroom pasta
      Vegan Creamy Mushroom Pasta

    Reader Interactions

    Comments

    1. jess says

      August 11, 2021 at 1:57 pm

      5 stars
      Really tasty! I added some crushed red pepper for spice.

    2. Karen says

      November 17, 2021 at 2:55 pm

      What is friendly vegan steak spice, I couldn't find it in the recipe.... I am still making this without it, but it would have been nice to have.

    3. Joan Benken says

      December 03, 2021 at 8:52 pm

      I really love this recipe. So moist and flavorful. Really great meatless alternative.

    4. annie hf says

      January 05, 2022 at 7:43 pm

      5 stars
      So good and so easy. Loved this.

    5. Lexx says

      July 09, 2024 at 10:46 pm

      5 stars
      Delicious!! And so easy to make, making it great for our busy Tuesday. I also added about a teaspoon of red wine and it was approved in my household. Thank you for sharing!

    5 from 25 votes (22 ratings without comment)

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