Melon Ball Salad with Raspberry Vinaigrette

Description
This recipe came from an estate sale. I obtained it when I purchased the family collection from the Edmonds Estate in Canton, Texas in 1987.
 * Contributed by Catsrecipes Y-Group

Ingredients

 * 1 small red onion thinly sliced
 * 3 cups bite sized pieces of melon
 * 2 hearts romaine lettuce cut into pieces
 * 2 tablespoons coarsely chopped basil leaves
 * 1 tablespoon coarsely chopped mint leaves

Vinaigrette

 * ¼ cup extra-virgin olive oil
 * 3 tablespoons raspberry vinegar
 * 2 tablespoons finely chopped basil leaves
 * 1 tablespoon finely chopped mint leaves
 * 1 teaspoon salt
 * 1 teaspoon freshly ground black pepper

Directions

 * 1) Place onion slices in a small bowl and cover with cold water and soak for 30 minutes.
 * 2) Drain and pat dry then combine with melon balls, lettuce and herbs then toss gently to combine and refrigerate until ready to serve.
 * 3) Whisk together all ingredients for vinaigrette and toss gently with melon mixture.
 * 4) Serve immediately.