Crostata di Pomodoro

Ingredients

• 1 unbaked 10-inch pie shell
• 1/2 pound sliced mozzarella cheese
• 1 pound ripe and firm tomatoes, sliced extremely thinly
• 1 tsp. dried oregano
• 1/4 cup sliced calamata olives
• 1/4 tsp. salt
• freshly ground pepper
• extra-virgin olive oil