Boil the new potatoes for 20 - 25 minutes until tender. Drain and set aside to cool.
Toss through the zucchini, Spanish onion and anchovy. Combine the oil, vinegar, mustard, garlic and seasoning. Toss through the salad and serve.
Note: Pesticides are not found on organic potatoes. Although the pesticide ratio varies depending on farming practices, a recent study found 79% of potatoes contained pesticides.