"What’s a surefire way to get kids dashing to the dinner table? Simmer up a batch of hearty soup and then sit back and watch it disappear,” says Ken Haedrich. “Kids love soup,” he maintains, “because it’s warm and soothing and slurpy.” A former navy Seabee and author of the classic Soup Makes the Meal, Haedrich is a father to four grown children. “Besides being kid-friendly, soup has other advantages,” he continues. “It can be…