In a small saucepan of boiling salted water cook shrimp 45 seconds to 1 minute, or until cooked through. In a colander drain shrimp and rinse under cold water to stop cooking. Halve shrimp horizontally and devein.
Make dressing: In a large bowl whisk together dressing ingredients until sugar is dissolved.
Add shrimp, papaya, carrot, and coriander to dressing, tossing well. Salad may be made 2 hours ahead and chilled, covered. Bring salad to room temperature before serving. Serve salad sprinkled with peanuts.
Recipe courtesy of Gourmet Magazine