Lentil Soup with oregano

3 cups vegetable broth 3 cups water 2 cups brown lentils , picked over and rinsed 1 tablespoon olive oil 1 large onion , peeled and coarsely chopped 2 large[...]

2 cups lentils 2 quarts water 1 meaty ham bone or 3 -4 ham hocks 1 medium onion , chopped 1 -2 diced carrot 2 stalks chopped celery 1/4 cup finely chopped[...]