Step 1

Place shallot in a small bowl and season with a big pinch of salt. Finely grate zest from lemon into bowl; cut lemon in half and squeeze in juice. Add vinegar and toss to combine. Let sit 10 minutes.

Step 2

Place cucumbers in a medium bowl and season with salt. Spoon half of vinaigrette over and toss gently to coat.

Step 3

Place peaches in a serving bowl or on a platter and season with salt. Spoon remaining vinaigrette over and toss gently with your hands to coat.

Step 4

Add cucumbers to peaches; toss gently again just to combine. Add feta; season with salt and pepper. Top salad with basil and mint and squeeze lemon over.