Grilled Portobello Burgers

Grilled Portobello Burgers

Portobello mushrooms' large size and substantial texture make them a natural choice for a vegetarian "burger." These are quick and supereasy to prepare.

Cooking Light AUGUST 2006

  • Yield: 4 servings (serving size: 1 burger)


  • 2 tablespoons Worcestershire sauce
  • 2 teaspoons honey mustard
  • 1/4 teaspoon black pepper
  • 2 garlic cloves, minced
  • 4 large portobello mushroom caps
  • 1 red bell pepper, cut into 4 wedges
  • Cooking spray
  • 4 (1/2-inch-thick) slices onion
  • 8 (1/2-ounce) slices reduced-fat sharp cheddar cheese
  • 1/4 cup ketchup
  • 2 tablespoons prepared mustard
  • 4 (1 1/2-ounce) hamburger buns
  • 4 Bibb lettuce leaves
  • 8 sandwich-cut bread-and-butter pickles


Prepare grill.

Combine first 4 ingredients in a small bowl; brush both sides of mushroom caps with sauce mixture.

Place bell pepper on grill rack coated with cooking spray; grill for 10 minutes or until blackened. Place in a zip-top plastic bag; seal. Let stand 10 minutes. Peel. Place mushroom caps, top sides down, and onion on grill rack coated with cooking spray; grill 4 minutes on each side or until tender. Place 2 cheese slices on top of each mushroom cap; cover and grill 1 minute or until cheese melts.

Spread 1 tablespoon ketchup and 1 1/2 teaspoons mustard over top half of each bun. Place mushroom caps on bottom halves of hamburger buns. Separate onion into rings; arrange onion slices evenly over mushrooms. Top each serving with 1 lettuce leaf, 2 pickles, and top half of bun.

Nutritional Information

Amount per serving
  • Calories: 283
  • Calories from fat: 27%
  • Fat: 8.4g
  • Saturated fat: 4.6g
  • Monounsaturated fat: 2.1g
  • Polyunsaturated fat: 1.3g
  • Protein: 14.4g
  • Carbohydrate: 37.7g
  • Fiber: 3.2g
  • Cholesterol: 20mg
  • Iron: 2.9mg
  • Sodium: 995mg
  • Calcium: 299mg

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Grilled Portobello Burgers Recipe