Muffuletta Sandwich

Name: Muffuletta Sandwich
Prep time: 20 min
Total time: 1 h
Yield: 4
Ingredients: Ingredients; Olive Salad; 1 cup green olives, pitted and chopped; 1 cup black olives, pitted and chopped; 1/4 cup roasted red peppers, chopped; 2 tablespoons capers, rinsed; 2 cloves garlic, minced; 1/4 cup extra-virgin olive oil; 1 tablespoon red wine vinegar; 1 teaspoon dried oregano; 1/2 teaspoon crushed red pepper flakes (optional); Salt and pepper, to taste; Sandwich; 1 round loaf of Italian or French bread (8-10 inches in diameter); 4 oz Genoa salami, thinly sliced; 4 oz mortadella, thinly sliced; 4 oz ham, thinly sliced; 4 oz provolone cheese, thinly sliced; 4 oz mozzarella cheese, thinly sliced