Philly-Style Chicken Cutlet Sandwich

Ingredients

• 3 tablespoons extra-virgin olive oil
• 1/2 teaspoon red pepper flakes
• 3 stalks broccoli rabe, cut into 2-inch pieces
• 4 or 5 peppadew peppers, drained and finely chopped
• 1 tablespoon mayonnaise
• 1 small (about 4 ounces) boneless, skinless chicken breast half
• kosher or sea salt
• freshly ground black pepper
• 1 egg
• 1/4 cup japanese-style panko
• 2 slices provolone cheese, preferably aged (piccante)
• 1 large soft portuguese sweet roll or philly-style submarine roll, halved