Chicago-Style Italian Beef Sandwiches

Ingredients

• 12 ounces thinly sliced Deli Roast Beef
• 1 can (14-1/2 ounces) reduced-sodium beef broth
• 4 slices provolone cheese, halved
• 4 crusty Italian bread rolls (each 6 inches long), split
• 1 cup chopped vegetables such as carrot, celery, cauliflower and red bell pepper
• 1 medium jalapeño pepper, thinly sliced
• 1/2 cup white vinegar
• 1/4 cup olive oil
• 6 cloves garlic, minced, divided
• 1 teaspoon dried oregano leaves, divided
• 1 teaspoon granulated sugar
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper