Leeks often contain sand between their many layers. Cut the leeks lengthwise in half. Rinse under cold running water, gently separating the leaves to allow the water to flush out any trapped sand or dirt.
The colors of the dish remind me of autumn, my favorite season. Butternut squash is nutritious as well as colorful. This is an example of cooking it a way other than mashed and sweetened. The pork tenderloin medallions are mildly seasoned with rosemary and are very tender.—Louise Nowak, Columbia, Connecticut