Muffuletta

Ingredients

• 1 1⁄4 cups coarsely chopped cauliflower florets
• 1⁄2 cup extra-virgin olive oil
• 1⁄2 tsp. dried oregano
• 1⁄2 tsp. dried thyme
• 2 small carrots, roughly chopped
• 2 small ribs celery, thinly sliced
• 3⁄4 cup chopped pitted green niçoise olives
• 1⁄2 cup chopped pitted kalamata olives
• 1⁄2 cup chopped roasted red peppers
• 1⁄4 cup jarred, drained, sliced banana peppers
• 2 tbsp. red wine vinegar
• Kosher salt
• freshly ground black pepper
• 1 (8″-10″) round loaf Italian bread with sesame seeds
• 6 oz. thinly sliced deli ham
• 6 oz. thinly sliced Genoa salami
• 6 oz. thinly sliced mortadella
• 6 oz. thinly sliced provolone