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How To Prepare Spicy Miso Portobello Mushroom Burger ?


Preparation time: 25 mins

Cooking time: 10 mins 

Serving: 2


  • 2 large portobello mushrooms
  • 1 Tablespoon Miso ( any color)
  • 1 tablespoon toasted sesame oil
  • 1 tablespoon sriracha
  • pinch of salt and pepper

 Cucumber Ribbon Salad

  • 2 turkish cucumbers, cut length-wise into ribbons ( use a mandolin– see notes)
  • 1 scallion, sliced at diagonal
  • 1/4 teaspoon salt
  • ¼ teaspoon sugar
  • 2 teaspoons rice vinegar
  • ½ teaspoon toasted sesame seeds

 Carrot Slaw 

  • 1 1/2 cups matchstick carrots ( or grated)
  • 1 scallion
  • 1/4 teaspoon salt
  • ¼ teaspoon sugar
  • 2 teaspoons rice vinegar
  • ½ teaspoon toasted sesame seeds

 Asian Guacamole

  • 1 extra large avocado, cubed
  • 1 teaspoon finely chopped ginger ( or use ginger paste)
  • 1 teaspoon rice wine vinegar
  • 1 teaspoon sesame oil
  • ¼ teaspoon salt and pepper
  • pinch chili flakes and sesame seeds
  • 2 whole wheat buns, grilled


  1. Preheat the grill. Using a fork or mini whisk, mix the miso, siracha and sesame oil and pinch salat and pepper together in a small bowl to make a paste. Brush liberally onto both sides of the Portobello mushrooms.
  2. Using a mandolin or veggie peeler, cut the cucumber into long thin ribbons. (You can always just slice them into very thin disks) Place them in a medium bowl along with scallions and add the dressing ingredients and gently toss.
  3. Make the carrot slaw the same way. Place in a small bowl, toss with dressing ingredients. To save time you can combine the both the carrots and cucumber (and double the dressing) and serve them together in one bowl – but I prefer them separate, just for “prettiness”, but it’s not essential.
  4. Make the Asian Guacamole, by placing everything in a small bowl, mashing and stirring a bit until creamy and combined. It doesn’t have to be smooth. Sprinkle with sesame and chili flakes.
  5. Grill the Portobello, top sides down first, for 4-5 minutes over medium heat, until juicy and tender. Flip, grill a few more minutes. Grill the Buns.
  6. Assemble the burgers….spread buns with generous amount of Asian Guac, place the Portobello- gills side up ( to catch all the flavorful juices) then mound with cucumber ribbon and carrot salad, a little squeeze of sriacha, optional pickled ginger. Use the remaining Asian Guac on the bun tops, and top the burgers.
  7. Eat immediately.

Posted by Coba Grills and we thank Feasting at Home for this delicious recipe and the recipe link is