At dinner last night with friends someone asked what my favorite thing to cook was. The group roared when I answered, quite sincerely, “Toast.” For years I’ve started my day with a crisp piece of whole grain toast slathered with organic Yum peanut butter and mixed berry preserves. It may be mindlessly easy but it’s also wholesome, filling, tasty and my lifelong comfort food. Sophia Loren may have pasta to thank for her physique but, me, I owe it all to toast. Toast has been around for centuries. Cooked over open fires, it was the perfect ancient antidote for stale bread. Want to mask the toughness and dryness of old bread? Just make it hot, golden and crunchy — make it toast. In the Middle Ages it played an important mealtime role, sopping up meat drippings, gravies, stews and the like. Bread would disintegrate in these liquids but toast held its shape and absorbed the rich mixtures. By the late Middle Ages cooks figured out that toast provided an edible surface on which foods could …