This will probably be the most hauntingly delicious black bean soup you've ever tasted. The coffee adds a slightly toasty, woodsy background note. The optional ham hock adds smoky, salty ham flavor. Serve with a mixed green salad or a grilled cheese sandwich with pickled jalapeños. Recipe by Joyce Hendley for EatingWell. Download a Free Healthy Recipe Cookbook for Chili, Soups and Stews!