2 portobello's, stemmed & rubbed clean
3 Tablespoons balsamic vinegar
3 Tablespoons olive oil
Salt and freshly ground black pepper
1 teaspoon fresh thyme, chopped
1/2 teaspoon fresh rosemary, chopped
1-1/2 Tablespoons fresh Italian parsley, chopped
1/2 cup mayonnaise
1 teaspoon lemon juice
2 slices prosciutto
2 slices red onion
2 slices of beef steak tomato
1/2 cup mixed greens
1 ounce gf feta cheese
Balsamic varnish