01 - Preheat grill to medium-high heat.
02 - Brush chicken breasts with 1 tablespoon olive oil, then season evenly on both sides with salt, black pepper, and smoked paprika.
03 - In a small bowl, combine plum halves with 1 tablespoon olive oil and 1 tablespoon honey, coating them thoroughly.
04 - Grill chicken breasts for 5 to 6 minutes per side, until fully cooked and juices run clear. Remove from heat and allow to rest for 5 minutes before slicing thinly against the grain.
05 - Place plum halves cut side down on the grill and cook for 2 to 3 minutes, or until caramelized and slightly tender. Remove and slice each half into wedges.
06 - In a small bowl, whisk together extra-virgin olive oil, fresh lemon juice, honey, chopped mint, Dijon mustard, salt, and black pepper until well emulsified.
07 - In a large salad bowl, combine fresh arugula, thinly sliced red onion, crumbled feta, and toasted sliced almonds. Add sliced grilled chicken and grilled plum wedges. Drizzle with mint vinaigrette and gently toss to combine.
08 - Serve immediately, optionally garnished with additional mint leaves or sliced almonds.