Grilled Portobello Burger with Balsamic Reduction

Grilled Portobello Burgers with Balsamic Reduction

  • Author: Krista
  • prep_time Prep Time: 10 mins
  • cook_time Cook Time: 20 mins
  • total_time Total Time: 30 mins
  • yield Yield: 4 burgers 1x
  • category Category: Lunch
  • method Method: Grill
  • cuisine Cuisine: Vegetarian


These hearty Grilled Portobello Burgers with Balsamic Reduction feature crunchy grilled sourdough bread, gooey cheese and fresh vegetables. They’re delicious!



  • 4 large portobello mushrooms
  • 2 tablespoons of olive oil
  • 8 pieces of sourdough bread
  • 4 slices of provolone cheese
  • 1 large roasted red pepper, julienned
  • 1 cup of buckwheat sprouts
  • balsamic reduction


  1. Make balsamic reduction, place in refrigerator.
  2. Preheat grill to medium high heat.
  3. Evenly spread olive oil between each portobello mushroom cap.
  4. Grill each side for 5-7 minutes and at the last second place provolone cheese on top to melt.
  5. Place bread on grill and grill each side for 2-3 minutes.
  6. Assemble the burger with bread, portabella mushroom, roasted red pepper, buckwheat sprouts, and a drizzle of balsamic reduction.
  7. Serve

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