Pickley Muffuletta Sub

Name: Pickley Muffuletta Sub
Ingredients: 3 cups drained giardineria, chopped, plus 1/2 cup giardineria brine; 1/2 cup pitted pimento-stuffed green olives, sliced; 1/2 cup pitted kalamata olives, sliced; 1/2 cup drained pepperoncini rings; 1/2 small red onion, thinly sliced; 1/2 cup loosely packed fresh parsley leaves, chopped; 1/4 cup extra-virgin olive oil; 1 garlic clove, finely chopped; One 24-inch or two 12-inch soft hoagie rolls; 1/4 cup mayonnaise; 3/4 pound sliced provolone; 1/2 pound sliced mortadella; 1/2 pound sliced deli ham; 1/4 pound sliced Genoa salami