This slightly sweet, subtly tangy, entirely apple-y vinaigrette recipe is going to come in far more handy than you can ever imagine.
Recipes from Vinaigrettes & Other Dressings

In Vinaigrettes and Other Dressings, Michele Anna Jordan shares her wisdom about the most critical component in any salad: its dressing. About half of the recipes in Vinaigrettes and Other Dressings are riffs on the classic vinegar-and-olive-oil vinaigrette. But Michele take the formula in surprising and delicious directions, sometimes by using flavored vinegars (either store-bought or flavored by the home cook), sometimes by using dark vs. light or mild vs. strong olive oils, sometimes by switching out the olive oil for another oil, and always by adding flavoring elements like berries, citrus, honey, bacon, nuts, mustard and even wines and sherries (There is a whole art to selecting the right wines to make a given dressing, and the California-bred Jordan has the perfect skills here, too.).