1 small fennel bulb, trimmed, halved vertically, cored, cut into 1/4-inch-wide strips
1 cup thinly sliced red onion
12 paper-thin prosciutto slices
12 1/4- to 1/3-inch-thick wedges peeled cantaloupe or honeydew
Directions
Whisk first 6 ingredients in medium bowl. Season dressing with pepper. Stir in next 3 ingredients; let stand at room temperature 15 minutes, tossing occasionally.
Place 3 prosciutto slices on each of 4 plates. Top with melon, then blueberry mixture. Serve immediately.