Here's the recipe from Charlene Patton's segment on Midday in Kansas on January 23, 2012.
SOYBEANS AND HAM SOUP 2 cups dry soybeans 4 cups water 3 cups chicken broth 3 cups water 1 cup coarsely chopped carrots 1 cup chopped celery 1 cup chopped onion 1 cup chopped potato 1 pound ham shanks 1 1/2 teaspoons salt 1/2 teaspoon pepper 1 teaspoon minced garlic
Place soybeans and 4 cups water in bowl and let set overnight. Drain soybeans and discard water. Combine soybeans, chicken broth, 3 cups water, carrot, celery, onion, potato, ham shanks, salt, pepper and garlic in slow cooker. Cover and cook on low heat setting for about 8 hours. Remove ham shanks and cut meat into pieces; stir meat into soup and serve. Serves 6 to 8.