- In a pot of salted water, cook the potatoes until tender. Let cool in ice water and drain. Cut in half or quarters, depending on their size. Set aside.
- Meanwhile, in a pot of salted boiling water, cook the cauliflower until al dente. Let cool in ice water and drain. Set aside.
- In a large bowl, combine the remaining ingredients. Add the potatoes, cauliflower and toss to coat with the dressing. Adjust the seasoning. Serve at room temperature.