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Portabella Mushroom Burger with Pesto and Arugula
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5 from 2 votes

Portabella Mushroom Burger with Pesto Mayo and Arugula

This Portabella Mushroom Burger with Pesto Mayo and Arugula boasts a juicy portabella mushroom which is marinated to enhance its meaty flavor, along with melted provolone cheese and the bold flavors of pesto mayo, red onion and arugula!
Prep Time20 minutes
Cook Time5 minutes
Total Time25 minutes
Course: Entree
Cuisine: American
Servings: 4 servings

Ingredients

  • 4 Ciabatta Buns or Whole Wheat Hamburger Buns
  • 4 Portabella Mushrooms stems and gills removed
  • 4 slices Provolone Cheese
  • Red Onion thinly sliced
  • Arugula

Marinade

  • ¼ cup Olive oil salt, pepper,
  • 2 teaspoon Worcestershire
  • 1 clove Garlic minced
  • Salt and Fresh Ground Pepper

Sauce

  • 2 tablespoon Pesto
  • 2 tablespoon Mayo

Instructions

  • Combine the marinade and pour it into a food safe plastic bag along with the mushrooms. Let rest for 15 minutes or more, flipping occasionally to ensure even coverage.
  • Place mushrooms in a pan on medium heat and grill cap side down, then flip, grilling ~3 minutes per side. (Time will vary depending on thickness)
  • Place cheese on mushroom after flipping and cover the pan to help cheese melt.
  • Mushrooms are done once they have shrunk in size and are tender all the way through.
  • While mushrooms are grilling toast the inside of each bun.
  • Place mushroom on bottom bun and top with onion slices, arugula and mayo pesto sauce.
  • Serve immediately.

Sauce

  • Combine equal portions of mayo and pesto and stir.

Notes

The mushrooms shrink as they cook, so purchase buns that are smaller than the raw mushrooms.