In this episode Recipes Four-Cheese Lasagna Choosing the right cheeses for this elegant lasagna is a good first step. Knowing how they melt results in a perfectly smooth and creamy sauce. Taste Tests Balsamic Vinegar Few foods demonstrate such a wide range in price—you can spend $2 or $200 for one bottle—or quality. Our tasters decode the mysteries of balsamico. Recipes Spicy Salad with Mustard and Balsamic Vinaigrette Constructing the perfect salad is trickier than it seems. From battered greens to acidic vinaigrettes, simple salads can suffer from a variety of ills.