Sheet-Pan Quick Pork and Broccoli Rabe Cheesesteak Sandwiches

Ingredients

• 1 (16-ounce) pork tenderloin, trimmed
• 6 tablespoons extra-virgin olive oil
• Salt
• pepper
• 1 tablespoon minced fresh rosemary
• 1 tablespoon fennel seeds
• 1 pound broccoli rabe, trimmed and cut into 1-inch pieces
• 4 garlic cloves, minced
• 1 teaspoon red pepper flakes
• 2 red bell peppers, stemmed, seeded, and sliced thin
• 4 (6-inch) Italian sub rolls, split lengthwise
• 6 ounces sliced provolone cheese
• 2 tablespoons red wine vinegar