01 -
Preheat the grill to medium-high heat and lightly oil the grates to prevent sticking.
02 -
Brush the cut sides of the peaches with a small amount of olive oil. Place peaches cut-side down on the prepared grill. Grill for 3–4 minutes until grill marks develop and the fruit softens. Remove and let cool slightly, then slice into wedges.
03 -
In a bowl or jar, combine olive oil, balsamic vinegar, honey, Dijon mustard, salt, and pepper. Whisk or shake thoroughly until emulsified.
04 -
Arrange mixed greens in a large serving bowl. Top with grilled peach wedges, fresh blueberries, crumbled feta cheese if using, and toasted nuts.
05 -
Drizzle the prepared dressing over the salad and toss gently to evenly coat all components. Serve immediately.