Summer Squash Tart With Olives

Name: Summer Squash Tart With Olives
Ingredients: 3 tablespoons coarsely chopped fresh flat-leaf parsley; 2 tablespoons coarsely chopped fresh oregano, plus sprigs for garnish; 1 tablespoon coarsely chopped fresh thyme; 1 garlic clove, minced; 1/4 cup extra-virgin olive oil; Coarse salt and freshly ground pepper; 2 small zucchini, cut into 1/8-inch-thick rounds; 2 small yellow summer squash, cut into 1/8-inch-thick rounds; 6 sheets phyllo dough (each 12 by 17 inches), thawed if frozen; 3 tablespoons unsalted butter, melted; 1/2 cup pitted Kalamata olives