Panzanella Bread Bowl

Name: Panzanella Bread Bowl
Ingredients: 1 large loaf ciabatta bread (1 to 1 1/4 pounds); 1 romaine lettuce heart, chopped; 1 pound tomatoes, chopped; 1/2 English cucumber, chopped; 1/2 cup chopped roasted red peppers; 2 ounces thinly sliced salami, cut into strips; 2 ounces thinly sliced prosciutto, cut into strips; 2 ounces thinly sliced soppressata, cut into strips; 4 ounces thinly sliced provolone cheese, cut into strips; 6 tablespoons extra-virgin olive oil; 6 tablespoons red wine vinegar; 1/2 teaspoon dried oregano; Kosher salt and freshly ground pepper