Grilled Portobella Mushroom Sandwich

Portobella Mushroom Sandwich Portobella mushrooms are so versatile and delicious along with being a filling alternative to meat. Grilling Portabella mushrooms marinated enhances the rich flavor. Grilling the mushrooms on a barbecue makes a wonderfully flavorful sandwich. Quick, easy, delicious and simple to prepare. 3 portobello mushrooms 1/4 cup olive oil 3 tablespoons chopped onion 4 garlic cloves, minced 4 tablespoon balsamic vinegar 8 ounces Brie, slice thick l large tomato, sliced 10 fresh basil leaves olive oil for brushing 1 loaf Italian bread, sliced in half Clean mushrooms and remove stems. Place caps on a plate with the gills up. In a small bowl, combine the oil, onion, garlic and vinegar. Pour mixture evenly over the mushroom caps and let stand for 1 hour. Brush bread with oil. Grill mushrooms over hot grill for 10 minutes. Grill bread for the last two minutes. Remove mush...