Bobby Flays Muffuletta

Ingredients

• 1 cup mayonnaise
• 2 tablespoons Dijon mustard
• 3 tablespoons aged sherry vinegar
• 1 1/2 cups mixed pitted green olives, such as picholine and cerignola
• 4 piquillo chiles, or 2 roasted red bell peppers (see Notes, page 22)
• Cloves from 1 head garlic, roasted
• 4 anchovy fillets in oil, patted dry
• 1/2 small red onion, chopped
• 1 tablespoon chopped fresh oregano leaves
• 1/4 cup chopped fresh flat-leaf parsley leaves
• Kosher salt and freshly ground black pepper
• 1 (8- or 9-inch) round loaf Italian bread
• 1/3 pound thinly sliced Italian Genoa salami
• 1/3 pound thinly sliced Spanish salami
• 1/3 pound thinly sliced Serrano ham
• 1/3 pound thinly sliced capicola ham
• 1/3 pound thinly sliced Manchego cheese