Chocolate fanatics around the world rejoiced the day that scientists revealed the previously hidden nutritional benefits of dark chocolate. Lurking within the creamy confines of this guilty pleasure are properties that are believed to lower cholesterol and blood pressure. The fact that dark chocolate contains less sugar and fat than milk chocolate makes it the perfect substitute ingredient in desserts calling for the good stuff. As an added bonus, dark chocolate boasts a more powerful flavor than semisweet, allowing chefs to reduce the amount necessary in most recipes. The next time you make your family's favorite chocolate chip cookie recipe, try swapping the chocolate chips for dark chocolate chunks. Of course, you could always hold the butter, too. More about that on the next page.