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Portobello Mushroom Burgers

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.

And how, might you 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.
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

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.
Print Pin Rate
Course: Main Dishes, Sandwiches and Wraps
Keyword: mushroom burgers
Diet: Vegetarian
Occasion: 4th of July, Birthdays, Game Day
Time: 15 minutes or less, 30 minutes or less, 45 minutes or less
Prep: 5 mins
Cook: 10 mins
Total: 15 mins
Servings: 4 burgers
Calories: 488kcal
Author: Sarah Bond
5 from 4 votes

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
  • 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.

NOTES

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

Serving: 1burger | Calories: 488kcal | Carbohydrates: 45g | Protein: 17.3g | Fat: 27.7g | Saturated Fat: 8.6g | Cholesterol: 31mg | Sodium: 1437mg | Potassium: 318mg | Fiber: 4g | Sugar: 8g | Calcium: 210mg | Iron: 5.2mg
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Thanks so much for dropping by and for making easy vegetarian recipes like these panfried Portobello Burgers possible! Be sure to snap a photo and tag #liveeatlearn if you try them out!

Hi, I’m Sarah!

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Comments (7)

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  1. GW says:

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

    1. Sarah says:

      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:

    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

    1. Sarah says:

      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:

    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

    1. Sarah says:

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

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