Chicken Soup with Lachuh

Ingredients
For each person:
 * Chicken legs
 * Potatoes cut into quarters
 * Hawayij: spice for soup
 * chicken bullion cubes
 * 3 tablespoons oil
 * Coriander leaves
 * 1 whole onion
 * Water
 * one leg of a chicken
 * 1 potato
 * 1 cup of water
 * Hawayij: a cury-like, yemenite spice mixture:
 * 2 tablespoons black peppercorns
 * 1 tablespoon cumin seeds
 * 1 teaspoon cardamom seeds
 * 1 teaspoon saffron
 * 2 teaspoons turmeric

Directions

 * 1) Put the chicken legs into a pot and boil. Take the white foam out. Lower the fire and add the rest of the ingredients. Cook for 3/4 of an hour until the chicken is ready. Add Chilbah.
 * 2) Grind the spices together thoroughly, and store them in an airtight jar.