Step 1

Combine the cucumbers, watermelon, 1/4 cup mint, the salt and a generous amount of pepper in a large bowl. Drizzle with the olive oil and vinegar and toss well.

Step 2

Spoon the salad onto a platter. Sprinkle with the feta, pistachios and remaining 1/4 cup mint. Grind a little more pepper over the top.