Portobello Burgers with Pesto, Provolone, and Roasted Peppers

Ingredients

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

Stir pesto and mayonnaise in small bowl to blend. Season with salt and pepper. Prepare barbecue (medium-high heat). Grill rolls, cut side down, until lightly toasted. Transfer to plates. Spread grilled side of rolls with pesto mayonnaise. Brush mushrooms on both sides with oil; sprinkle with salt...

View full recipe at Epicurious