Ingredients
- 4 portobello mushroom caps, cleaned
- 1/4 cup olive oil
- Salt and freshly ground black pepper
- 1/2 cup mayonnaise
- 1 tablespoon prepared pesto
- 2 teaspoons coarse-grained mustard
- 4 hamburger buns, split, buttered, and toasted
- 1 cup baby arugula
- 1 (12-ounce) jar roasted red peppers, drained
Directions
Preheat grill to medium-high heat.
Brush mushrooms caps with olive oil; sprinkle evenly with salt and pepper. Grill mushrooms, smooth side down, covered with grill lid, for 6 to 8 minutes, or until tender.
In a small bowl, combine mayonnaise, pesto, mustard, 1/4 teaspoon salt and 1/4 teaspoon pepper. Spread mixture evenly over cut sides of buns. Divide arugula evenly over bottom halves of buns. Top each evenly with peppers. Place mushrooms caps over peppers. Cover with tops of buns.
Photo: Portobello Mushroom Burger Recipe

















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Read all 18 reviews
By ahub1972
on April 29, 2013
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This recipe was exactly as promised! It's easy and full of flavor. The sauce is amazing. I didn't even have the roasted red peppers and didn't miss them. I used steamed butternut squash cubes for a side and it was like having a meat sandwich with potatoes. Thanks Paula!
By scb29526
Conway, SC
on April 20, 2013
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Great burger. I added pepperjack cheese and an onion slice. You'll love it!
By blondbuckeye
dunwoody, GA
on January 09, 2013
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Just finished eating one of these and it was excellent! The sauce is superb and the juicy grilled portobello was perfect. We added mozzarella cheese. Devine!
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