Grilled Portobello and Arugula Burgers

Ingredients

• 2 large bunches arugula
• 4 whole wheat buns, toasted
• 2 tablespoons olive oil
• 4 large portobello mushrooms, stems trimmed
• Nonstick vegetable oil spray
• 1 garlic clove, minced
• 6 teaspoons minced fresh rosemary
• + 2 more ingredients
• • 2 teaspoons Dijon mustard
  • ½ cup nonfat mayonnaise

1. Mix mayonnaise, mustard, 2 teaspoons rosemary and garlic in small bowl. 2. Spray grill rack with nonstick spray, then prepare barbecue (medium heat). Brush mushrooms all over with olive oil. Sprinkle each with 1 teaspoon rosemary, then salt and pepper. Grill until tender, about 10 minutes per...

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