Grilled Portobello Burgers With Piquillo Pepper Aïoli And Watercress Recipes

Steps:

• For aioli:
• Puree first 4 ingredients in mini processor. Transfer to small bowl. Whisk in mayonnaise; season with salt, black pepper, and cayenne pepper. DO AHEAD: Can be made 3 days ahead. Cover; chill.
• For mushrooms:
• Arrange mushroom caps and onion slices on baking sheet; brush both sides with oil, then sprinkle with salt, pepper, and thyme. Turn mushrooms, gill side up, and sprinkle with garlic. Let stand at least 30 minutes and up to 2 hours.
• Prepare barbecue (medium-high heat). Place mushrooms, gill side up, and onion slices on rack. Cook until grill marks appear, about 4 minutes. Turn vegetables over, transferring to cooler part of grill. Cover and cook until mushrooms are very tender and onion slices still retain some texture, about 8 minutes. Turn mushrooms, gill side up; top with cheese. Arrange rolls, cut side down, on grill. Cover; cook until cheese on mushrooms melts and cut sides of rolls are golden, about 1 minute longer.
• Arrange roll bottoms on plates; spread with aioli. Top each with mushroom, onion slice, and watercress. Spread cut side of roll tops with aioli; press onto watercress.

Steps:

• Preheat the grill 350 degrees F.
• In a medium sized bowl, gently toss together the tomatoes, onion, peppers, feta, vinegar, cracked black pepper, to taste, and oregano. Set aside.
• In a small bowl mix together the olive oil, garlic, and salt and pepper, to taste. Brush the portobello caps with the oil on and put them on the grill. Grill until tender, about 3 minutes on each side
• Scoop a heaping tablespoon of the tomato mixture onto the bottom halves of the rolls, top each with some spring mix greens and a portobello cap. Cover with the top halves of the rolls and serve.

Steps:

• Brush mushrooms with 4 tablespoons vinaigrette. Grill mushrooms and onion, covered, over medium heat 3-4 minutes on each side or until tender. Top mushrooms with red peppers, onion and cheese. Grill, covered, 2-3 minutes longer or until cheese is melted. Grill rolls, cut side down, 1-2 minutes or until toasted., Spread roll bottoms with mayonnaise and drizzle with remaining vinaigrette. Top with mushrooms; replace roll tops.