This salad softens quite quickly once dressed, as the salt in the feta draws some of the moisture out of the zucchini. If you wish to make this ahead, prepare the zucchini and dressing separately, then dress the salad just prior to serving. These Lemon Feta Zucchini Noodles make the perfect mid-week meal for a hot summer night. Add a loaf of crusty bread for a simple vegetarian meal for 4.