Ingredients
2 tablespoons balsamic vinegar1 tablespoon olive oil3 garlic cloves, minced1-1/2 teaspoons minced fresh basil or 1/2 teaspoon dried basil1-1/2 teaspoons minced fresh oregano or 1/2 teaspoon dried oreganoDash saltDash pepper2 large portobello mushrooms, stems removed2 slices reduced-fat provolone cheese2 hamburger buns, split2 lettuce leaves2 slices tomato
Preparation
In a small bowl, whisk the first seven ingredients. Add mushroom caps; let stand for 15 minutes, turning twice. Drain and reserve marinade.
Using long-handled tongs, moisten a paper towel with cooking oil and lightly coat the grill rack. Grill mushrooms, covered, over medium heat or broil 4 in. from the heat for 6-8 minutes on each side or until tender, basting with reserved marinade. Top with cheese during the last 2 minutes.
Serve on buns with lettuce and tomato.
