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Home Eat Dinners

Portobello Mushroom Burgers

4.94 from 31 votes
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By: Sarah BondUpdated: Jun 09, 2022 29 Comments

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Portobello Mushroom Burgers with an orange background - With melted sharp cheddar, the perfectly meaty texture, and best-ever Fancy Sauce, these Portobello Mushroom Burgers are the vegetarian recipe that'll have you craving mushrooms for dinner.

With melted sharp cheddar, the perfectly meaty texture, and best-ever Fancy Sauce, these panfried Portobello Mushroom Burgers are the vegetarian recipe that’ll have you craving mushrooms for dinner.

Portobello Mushroom Burgers with an orange background - With melted sharp cheddar, the perfectly meaty texture, and best-ever Fancy Sauce, these Portobello Mushroom Burgers are the vegetarian recipe that'll have you craving mushrooms for dinner.

I have a history of featuring spotlight ingredients that I actually don’t like in the hopes that by cooking with them nonstop for a few weeks I’ll grow to like them (see tomatoes, cucumber, watermelon).

And mushrooms? They were on the top of the list of “Foods I Don’t Eat”. Because I truly thought I didn’t like mushrooms.

But unlike tomatoes and melon, which took some practice to find the right cooking methods/ingredient pairings that would make me appreciate them, mushrooms took no time to love.

Portobello Mushroom Burgers with an orange background - With melted sharp cheddar, the perfectly meaty texture, and best-ever Fancy Sauce, these Portobello Mushroom Burgers are the vegetarian recipe that'll have you craving mushrooms for dinner.

And how, you might wonder, did this newfound appreciation (love? fervor?) for mushrooms come to be? These Portobello Burgers.

I’m not saying this to talk up these burgers, guys. I’m saying this because it’s the fact! The cold hard fact. I woke up thinking I didn’t like mushrooms, decided to give portobello mushroom burgers a go, and went to sleep dreaming of all the ways I could continue cooking up mushrooms. So like…let’s make some burgers shall we?

Portobello Mushroom Burgers with an orange background - With melted sharp cheddar, the perfectly meaty texture, and best-ever Fancy Sauce, these Portobello Mushroom Burgers are the vegetarian recipe that'll have you craving mushrooms for dinner.

How to make portobello burgers

The key to a really delicious vegan or vegetarian portobello burger recipe is in the marinade! We’ll brush the mushrooms with soy sauce, lemon juice, garlic, and spices. The mushrooms are basically sponges that will soak up al that flavor!

Then just cook your portobello burgers on the stove or grill and serve with your favorite burger toppings!

Portobello Mushroom Burgers with an orange background - With melted sharp cheddar, the perfectly meaty texture, and best-ever Fancy Sauce, these Portobello Mushroom Burgers are the vegetarian recipe that'll have you craving mushrooms for dinner.

Serve these portobello burgers with:

  • Air Fryer Sweet Potato Fries
  • Baked Zucchini Fries
  • Crispy Asparagus Fries
  • Summer Veggie Salad
  • Avocado Mango Salad
  • Carrot Hot Dogs

Feeling adventurous? Grill halloumi cheese and throw it on top of the mushroom for an ultra-filling burger!

And for more classic recipes turned vegetarian with the help of mushrooms, be sure to try our Mushroom Meatloaf and Mushroom Pulled “Pork”!

Portobello Mushroom Burgers with an orange background - With melted sharp cheddar, the perfectly meaty texture, and best-ever Fancy Sauce, these Portobello Mushroom Burgers are the vegetarian recipe that'll have you craving mushrooms for dinner.

Portobello Mushroom Burgers

4.94 from 31 votes
Prep: 5 minutes
Cook: 10 minutes
Total: 15 minutes
Author: Sarah Bond
Calories: 488kcal
Servings: 4 burgers
Print Rate
With melted sharp cheddar, the perfectly meaty texture, and best-ever Fancy Sauce, these panfried Portobello Mushroom Burgers are the vegetarian recipe that’ll have you craving mushrooms for dinner.

Ingredients

Portobello Mushroom Burgers

  • 4 portobello mushrooms
  • ¼ cup olive oil 60 mL
  • 2 Tbsp soy sauce 30 mL
  • 2 Tbsp lemon juice 30 mL
  • 4 cloves garlic minced
  • ½ tsp each oregano, smoked paprika, salt, pepper
  • 4 slices sharp cheddar cheese
  • 2 or 4 toasted burger buns depending on if you want double cheeseburgers
  • Toppings: sliced tomatoes, lettuce, sliced red onions

Fancy Sauce

  • 2 Tbsp mayonnaise 30 g
  • 2 Tbsp ketchup 30 g
  • 1 clove garlic minced
  • ⅛ tsp smoked paprika

Instructions 

  • Prep Mushrooms: Clean portobellos gently with a damp paper towel. Remove stems (and gills, if you don’t like the texture). In a small bowl, combine olive oil, soy sauce, lemon juice, garlic, and seasonings.  Brush liberally onto the tops and bottoms of the mushrooms.
  • Cook Mushroom Burgers: Heat a large non-stick skillet over medium/high. Add the mushrooms and cook for 3 minutes on each side, or until slightly softened, brushing with remaining marinade to add more flavor. Alternatively, cook on the grill for 5 minutes per side until grill lines appear. Add cheese in the last minute of cooking.
  • Assemble & Serve: Combine all “Fancy Sauce” ingredients in a small bowl. Serve mushroom burgers on toasted buns with fancy sauce, tomatoes, lettuce, and onion.

Tips & Tricks

Can you eat the gills of a Portobello mushroom? Yes! The texture can turn a little mushy during cooking, so you can scrape them out if you prefer your Portobello Mushroom Burgers without (but I like them with gills and all).

Nutrition Information

Serving: 1burger Calories: 488kcal (24%) Carbohydrates: 45g (15%) Protein: 17.3g (35%) Fat: 27.7g (43%) Saturated Fat: 8.6g (54%) Cholesterol: 31mg (10%) Sodium: 1437mg (62%) Potassium: 318mg (9%) Fiber: 4g (17%) Sugar: 8g (9%) Calcium: 210mg (21%) Iron: 5.2mg (29%)
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  1. GW says

    Posted on 9/18 at 10:27 pm

    I’ve had Portobello burgers twice at nice restaurants and neither compared to this recipe. thanks5 stars

    Reply
    • Sarah says

      Posted on 9/20 at 4:09 pm

      Yay, so happy to hear! I’d tried a few different versions of portobello burgers before, but this is by far my favorite (especially with a thick slice of melted cheddar)

  2. Kelli B says

    Posted on 5/18 at 12:07 am

    We just enjoyed this meal for dinner. Everyone loved it! The sauce was amazing and I may use it just for my french fries. I will be remaking this for sure. Grateful for a new recipe to get us out of our dinner rut. We omitted the cheese due to lactose intolerance.5 stars

    Reply
    • Sarah says

      Posted on 5/21 at 9:55 pm

      So happy to hear, Kelli! Breaking the dinner rut is what I’m all about, so your comment put a big smile on my face! 😀

  3. V says

    Posted on 7/5 at 8:02 pm

    Yep…this recipe is a keeper…
    Def will try it again and may doctor it up n make it my own yet this was a great intro….thank u for sharing.5 stars

    Reply
    • Sarah says

      Posted on 7/6 at 4:59 pm

      So happy you liked it! The seasonings can definitely be tailored to your taste, go crazy with it! 😀

  4. Mary U says

    Posted on 2/19 at 5:30 pm

    Super tasty flavor! This recipe is a definite keeper, and we will make these often. 1/2 Tablespoon of harissa added to 1/4 cup of mayonnaise is another sauce alternative. We also added bread and butter pickles to our burger. Excellent portobello burgers!5 stars

    Reply
    • Sarah says

      Posted on 2/20 at 9:14 am

      Yummm that harissa mayo sounds heavenly. Thanks for the tip (and for your review)!

  5. Melly says

    Posted on 3/20 at 2:31 am

    My hubby is a vegetarian and I never have have any idea what to cook for him. This looked pretty easy so I tried it, my first time cooking a mushroom. He LOVED it. He said it was SO good!! Thanks for the easy recipe!!5 stars

    Reply
    • Sarah says

      Posted on 3/20 at 8:26 am

      YAY! So happy to hear it, Melly! 😀

  6. Vinna says

    Posted on 4/29 at 11:16 pm

    First time trying portabella mushrooms in a burger. I used the mushrooms as buns but the sauce and the marinade still tasted great on the mushrooms and patty. I added in sautéed onions. The mushroom did release some water so it was little messy eating but it was delicious. I chose this recipe because it was simple and fast to make. I’m glad l did. Thanks,5 stars

    Reply
    • Sarah says

      Posted on 4/30 at 9:59 am

      So happy to hear it, Vinna! Thanks for popping in to let us know how it went!

  7. Niki says

    Posted on 9/13 at 1:53 pm

    Excellent recipe👌 Didn’t know you could eat the gills..yum😛5 stars

    Reply
  8. Gregory Shullek says

    Posted on 3/7 at 5:12 pm

    Good.. but way way wAy way too salty

    Reply
  9. PAUL SKENDER says

    Posted on 6/7 at 4:41 pm

    Didn’t miss the meat they were yummy.5 stars

    Reply
  10. Tiggywinkle says

    Posted on 6/29 at 11:14 am

    These are soooo good.5 stars

    Reply
  11. Jan says

    Posted on 7/12 at 9:16 am

    I finally convinced my hubby to add some vegetarian options to our diets, and we have designated Monday as “meatless.” Neither one of us was too sure about eating a portobello mushroom burger, but we gave it a try and WOW we were surprised and delighted. These are delish! I’ve made them a couple of times now and they never disappoint. Love the “Fancy Sauce,” too. Just yummy!5 stars

    Reply
  12. Jenelle says

    Posted on 7/24 at 8:38 am

    I like to cook portobello caps on the grill. The marinate I use is oily Italian salad dressing and is good. Can’t wait to try this marinate.

    Reply
  13. Phyllis says

    Posted on 8/10 at 8:07 am

    I don’t have Portobello mushrooms BUT can I substitute with button mushrooms sautéed in pan with olive oil, soy sauce, lemon, etc.? Grill buns and melt cheese on top and finish with the sauce? I would love to prepare this for my husband who loves mushrooms.

    Reply
    • Sarah says

      Posted on 8/11 at 7:46 am

      I think that would work! Maybe melt a slab of cheese onto the mound of mushrooms 😀

  14. Tasha says

    Posted on 9/3 at 10:07 pm

    I am carnivore (omnivore) and this smells and tastes like a fabulous, expensive beef burger!
    This is delicious. Thank you for sharing!5 stars

    Reply
  15. Chelsea Smith says

    Posted on 1/21 at 6:18 pm

    This is LEGIT!!!!!
    IM NOT GOING BACK TO TURKEY BURGERS!!!5 stars

    Reply
  16. karen says

    Posted on 3/12 at 2:56 pm

    sooo good5 stars

    Reply
  17. Holly says

    Posted on 9/20 at 4:45 pm

    My whole family loves these!5 stars

    Reply
  18. Dani says

    Posted on 11/29 at 6:13 pm

    I’m not a vegetarian, but I like to have meatless dinners, once a week. This recipe was amazing. I felt like a chef. My husband loved it too.5 stars

    Reply
    • Sarah Bond says

      Posted on 11/29 at 9:34 pm

      I’m so happy to hear it, Dani! Enjoy!! 😀

  19. Claudia l says

    Posted on 12/10 at 9:45 am

    I am excited to try this recipe. I have been trying to find meatless dinner ideas for my father i law. Due to health issues he has to cut down on his meat intake. Thank you ai much for this delicious looking recipe!!!5 stars

    Reply
  20. Mary Ann says

    Posted on 12/10 at 5:20 pm

    So easy and so good!5 stars

    Reply
  21. gma says

    Posted on 3/16 at 8:48 am

    My new go-to burger. I am not vegan but family members are. This has an amazing flavor and would choose it over most any other burger. I wouldn’t change a thing.5 stars

    Reply

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