Place potatoes in a medium or large saucepan and pour over enough water to cover by about 2 inches. Set pan over high heat and bring water to a boil. Boil 8 minutes, until potatoes are fork tender.
Drain and transfer potatoes to a large bowl. While potatoes are still warm, add olives, tomatoes, onion, olive oil, vinegar, and thyme and toss to combine. Season, to taste, with salt and black pepper.
Copyright 2006, Robin Miller, All Rights Reserved