Grilled Vegetable Sandwiches with Sherry Vinaigrette and Manchego on Ciabatta

Name: Grilled Vegetable Sandwiches with Sherry Vinaigrette and Manchego on Ciabatta
Ingredients: 3 Japanese eggplants, sliced in 1/2 lengthwise; 3 red bell peppers; 1 red onion, peeled and sliced into 1/4-inch thick slices; 1 large beefsteak tomato, cut into 1/2-inch thick slices; Extra-virgin olive oil or canola oil, for grilling; Salt and pepper; 3 cloves garlic, finely chopped; 1/4 cup chopped flat-leaf parsley leaves, plus 2 to 3 tablespoons torn leaves, for garnish; 1/2 cup extra-virgin olive oil, plus more for drizzling bread; 1 loaf ciabatta, sliced lengthwise; Sherry Vinaigrette, recipe follows; 8 slices Manchego cheese; 1/4 cup aged sherry vinegar; 1 tablespoon Dijon mustard