Portobello Burgers with Pesto, Provolone, and Roasted Peppers

Name: Portobello Burgers with Pesto, Provolone, and Roasted Peppers
Prep time: 10 min
Cook time: 12 min
Total time: 22 min
Yield: 4 servings
Cuisine: American
Ingredients: ½ cup purchased pesto; ¼ cup mayonnaise; 4 rolls sourdough, whole grain, or ciabatta rolls; 4 whole portobello mushrooms; 2 tablespoons Olive oil; 1 cup Roasted red peppers; 4 cups arugula; 4 slices provolone cheese

A gourmet vegetarian burger featuring grilled portobello mushrooms topped with a creamy pesto-mayo spread, roasted red peppers, fresh arugula, and melted provolone cheese, all served on artisanal rolls.

4 servings

25 min

Published October 4, 2025

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Ingredients

•½ cup purchased pesto
•¼ cup mayonnaise
•4 rolls sourdough, whole grain, or ciabatta rolls
•4 whole portobello mushrooms
•2 tablespoons Olive oil
•1 cup Roasted red peppers
•4 cups arugula
•4 slices provolone cheese

Cooking Instructions

1.
Stir pesto and mayonnaise in small bowl to blend. Season with salt and pepper.
5 min
2.
Prepare barbecue (medium-high heat). Grill rolls, cut side down, until lightly toasted. Transfer to plates. Spread grilled side of rolls with pesto mayonnaise.
8 min
3.
Brush mushrooms on both sides with oil; sprinkle with salt and pepper. Grill, rounded side up, 4 minutes. Turn mushrooms over. Cover and grill until mushrooms are tender, about 4 minutes. Place 1 mushroom on each roll bottom. Top each with enough red pepper pieces to cover, then with arugula and cheese. Press roll tops over and serve.
12 min