Prepare a medium bowl of ice water. Blanch the peas in boiling salted water for about 20 to 30 seconds and refresh in the ice water to stop the cooking. Drain.
Spoon the vinaigrette into a bowl, add the peas, mint, and salt and pepper and toss to coat. Divide among 4 salad plates and serve.
This dish is wonderful. I added grape tomatoes to the toss, and used the rest of the orange vinaigrette as a marinade for a fillet of coho salmon. The tomatoes added color, and the broiled coho was delicious!