Ingredients

How to make it

  • Drizzle the mushroom gills with balsamic vinegar and olive oil, guess about 1 tsp or so to taste
  • If broiling, broil them directly on oven grates in the middle of your oven or lower, not too close to the heat, with aluminum foil on another shelf underneath to catch drippings, medium heat, gills up, until edges start getting soft, about 3-5 minutes depending on heat. Flip and continue on other side 2-3 minutes, softening the mushroom but not making it limp. Adjust time to match heat and mushroom size.
  • If grilling, grill them directly over low to medium heat, gills up, until edges start getting soft, about 3-5 minutes depending on heat. Flip and continue on other side 2-3 minutes, softening the mushroom but not making it limp. Adjust time to match heat and mushroom size.
  • Top the mushrooms with cheese the last 30 seconds to 1minute of cooking depending heat, just enough to melt but not brown
  • While cooking the mushrooms, prepare buns/bread by coating the inside with the mayo and lightly browning the mayo side in a nonstick pan or on a griddle like you would a grilled cheese sandwich, timing them to finish with the mushroom for warm buns.
  • Assemble like you would any other burger, topping with the listed ingredients and serve immediately.
  • Stand back and be amazed.

Reviews & Comments 4

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  • crystyn 3 years ago
    I made this using the ingredients I had on hand. Which was balsamic dressing, Cheddar cheese, sweet onion and lettuce and OMG it was awesome! I can't wait to try it with your suggested ingredients! And I too am a carnivore, but I'd take this over a beef burger anyday! Thanks!!
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    " It was excellent "
    vmbry ate it and said...
    I purchased some organic portabellas yesterday and didn't know what to do with them. Then I came across this recipe. All I can say is WOW! What a joy to eat and so easy.
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  • kawa11desho 6 years ago
    Sounds just wonderful! I can't wait to try!
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  • mrtnzangel8 6 years ago
    I've got a friend that can't eat beef but want's a cheeseburger so bad...I think I got him convinced with your recipe that portabello's are an awesome substitute!
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  • rakista 7 years ago
    I like the pairing with sweet onions and a savory portabella. Next time I get some I will have to try one.
    Was this review helpful? Yes Flag

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