Portobello Mushroom Burger

Prep Time
Cook Time
Ready In

Recipe: #9996

July 05, 2013

Categories: Burgers

"A lovely vegetarian burger I enjoy. I use gluten free buns with mine but you can use your favourite kind of burger bun."

Original is 1 serving


  • Serving Size: 1 (779.3 g)
  • Calories 371.5
  • Total Fat - 15.7 g
  • Saturated Fat - 2.3 g
  • Cholesterol - 0 mg
  • Sodium - 604.5 mg
  • Total Carbohydrate - 48.8 g
  • Dietary Fiber - 9.8 g
  • Sugars - 17.8 g
  • Protein - 10.8 g
  • Calcium - 239.6 mg
  • Iron - 4.3 mg
  • Vitamin C - 23.6 mg
  • Thiamin - 0.5 mg

Step by Step Method

Step 1

Mix together the balsamic vinegar, oil and garlic powder in a bowl big enough to hold mushroom.

Step 2

Place the mushroom gill side up in the bowl and let sit for 1/2 hour.

Step 3

Place the mushroom gill side up on BBQ grill along with the onion slice, over high heat.

Step 4

Grill onion on both sides until it is slightly charred.

Step 5

Grill mushroom about 3 to 5 minutes until you have nice grill marks then turn it over and grill for another 3 to 5 minutes.

Step 6

Place the mushroom on bottom bun; add onion, lettuce and pesto sauce.

Step 7

Add top bun and serve.


No special items needed.

3 Reviews


Simple, yet delicious. Grilled portabellos are the best, gives them such a great flavor. These are better than meat burgers.


review by:
(20 Apr 2015)


I love portobello mushrooms, I think they are best when made on the grill and this was sooo good! I made four of these and we devoured them with a big smile, thanks QueenBee!


review by:
(2 Oct 2013)


Very good! We served ours with lettuce, provolone cheese, the onions and some pesto stirred into mayo. Serve on kaiser rolls.


review by:
(24 Jul 2013)

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