04
Heat 1 tablespoon of the butter in a kettle or saucepan. Add the ham, carrots, onions, garlic and curry powder. Cook briefly over medium heat, stirring, until the onions are wilted.
05Add the lentils, 4 cups of the chicken broth, water, bay leaf, thyme and salt. Bring to a boil, and simmer for 24 to 30 minutes, stirring occasionally.06Remove one cup of the soup, with more lentils than liquid, and set aside. Discard the bay leaf and thyme sprigs.07With a potato masher or wire whisk stir the soup briskly to mash the lentils, and return the soup to a boil. Add the remaining cup of chicken broth, the reserved lentils, the vinegar and the remaining butter. Check for seasoning and serve, sprinkled with the coriander.