To Prepare the Salad:
Place spinach, mango, tomato walnuts and green onions in a large bowl. Drizzle with Mango Vinaigrette and toss well to coat. Add blue cheese and toss again very lightly. Serve immediately with freshly ground pepper.
To Prepare the Mango Vinaigrette:
Combine mango, extra virgin olive oil, white balsamic vinegar and salt in a blender container or small food processor; blend until smooth.
Serving Tips:
Vinaigrette may be made several days ahead and refrigerated until ready to serve.